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Why birds fly in V formation

why-birds-fly-in-v-formation

Birds migrating in V formation

One of the joys of the changing seasons is seeing migratory birds make their journey in the impressive V formation. Larger birds, like geese, pelicans, swans and cranes head south for the winter and in spring, head back north to their breeding grounds. Most birds that fly in V formation have a long journey and fly at extreme altitudes. I, for one, have always been mystified and fascinated by this aerial spectacle of nature. Why and how do they do it?

Photo Credit: Flickr: Stevencook

Every formation has a lead bird out front who leads and sets the pace for the others. The first bird has to work the hardest since it flies through undisturbed air. When the lead bird tires, it will move out of the lead position and fall back into one of the lines of the V. Another bird will rapidly move forward to take the lead position to maintain the V formation. The two birds at the end of the V tire more rapidly and rotate frequently with the rest of the flock. The birds in the middle of the formation get the most benefit.

The lead bird breaks up the wall of air that the flocks flies into and experiences the most air drag or air resistance. The resulting swirling air or eddies caused by the lead bird's movements creates a lift or upwash for the birds behind it and so forth. The tubes of circulating air called wingtip vortices are generated as the wings generate lift. One wingtip vortex trails behind the tip of each wing. Each bird positions itself in a staggered position to the bird in front of it to get the extra lift and reduced air resistance or drag. A bird flying in formation therefore expends less energy than when it is flying solo. Another reason for flying in the V formation is that each bird can observe the position and flight direction of the other birds in the flock to avoid collisions, as well as, to keep the flock together.

Illustration of wingtip vortices - A picture says a thousand words.

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This illustration shows how wingtip vortices are generated at the tip of the bird's wings. Air moves from the area of high pressure (under the wing) to the area of low pressure (top of the wing) at the tip of the wing. As the wings move through the air, this curling action causes spirals or vortices at the tips of the wings. The rising air or updraft of the vortices shedding off the bird in front will lift up the bird trailing behind it.

Migratory birds take advantage of each other's wingtip vortices by flying in a V formation so all but the leader are flying in the upwash from the wing of the bird ahead. A little upwash makes it a little easier for the bird to support its own weight. It also lowers the heart beats, increases the flying range, and conserves up to 50-70% more energy.

Producing thrust and reducing drag

In most bird species, there are 10 primary feathers along the outer edge of each wing. The primaries propel the bird through the air.

When a Canada goose flaps its wings during flight, several things happen. During the downstroke (power stroke), a wing moves downward and forward producing forward thrust. During the upstroke (recovery stroke), the tips of the primaries separate and these 'slots' allow passage of air through them which reduces friction or drag as the wing comes up.

Photo Credit:Photobucket lzphotography

When a goose is hurt or shot and falls out of formation, two of the geese will leave the flock and follow the injured geese, stay with it, nurture it until it recovers. Or in the case that the injured bird dies, the two geese will start a new formation and catch up with the flock.

why-birds-fly-in-v-formation

Snow geese (Anser caerulescens)

Almost perfect symmetry

Snow Geese breed in the Arctic Tundra and winter in farmlands, lakes and coastal areas in the American south, southwest and east coast. These attractive geese occur only in North America, and make an annual round trip journey of more than 5,000 miles at speeds of 50 mph or more. Seen in flight, adults are white with jet black wing tips. When migrating, they follow well-defined geographical features like coastlines, rivers and mountain ranges.There are four primary corridors in North America. From east to west, they are the Atlantic, Mississippi, Central and Pacific flyways.

In Asia, Bar-headed Geese (Anser indicus) regularly migrate over the Himalayan Mountains, even over Mt. Everest at an altitude of 30,750 feet (9375 m) where the air is thin and the temperatures drop to minus 60 degrees F.

Source:ChipperWoods Bird Observatory

Snow Geese Migrating in V formation - Teamwork at its best

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Photo Credit: Crappy Wildlife Photography

These migrating snow geese are taking advantage of the aerodynamic V formation. This is one of my favorite air shows choreographed by nature. Not only is this so beautiful to behold, but it proves how natural instinct, teamwork and trust play a big part in the lives of migrating birds during their long journey to their destination.

During migration the Snow Goose flies so high it can barely be seen. They form shifting curved lines and arcs as they fly. Hunters call these birds "Wavies." The name is derived from the Chippewa name for this bird, wewe. During the summer, their heads are often stained red as a result of gathering in mud containing iron oxides.

Source: whatbird.com

"Winged Migration" video clip - Sit back and watch in awe.

"For eighty million years, birds have ruled the skies, seas and earth. They fly vast distances. Each Fall, they fly the same route back. This film is the result of four years following their amazing odysseys, in the northern hemisphere and then the south, species by species. Jacques Perrin from "Winged Migration" is one of the most respected producers in France. This film is about exploring the mystery of birds. More than 450 people, including 17 pilots and 14 cinematographers were involved in the making of this documentary."

Barnacle geese migrate to Britain and Ireland in the winter, to escape the harsher climates of Greenland and Svalbard Island. The sudden appearance of the adult geese, with no prior sign of nesting or goslings, gave rise in folklore to the story that barnacle geese either grew on trees or developed from the goose barnacles found on driftwood.

Read more about the Barnacle Goose

Ducks flying with lead bird - Lead bird is also called the point bird

why-birds-fly-in-v-formation

Photo Credit: Mr. rockin'P

Ducks and geese fly long distances to find the resources they need to survive and reproduce. The prompt for fall migration is not as clear but is most likely related to the timing of reproductive events and molting. Migratory departures are triggered by short-term changes in weather and habitat conditions.

Pelicans in V formation

why-birds-fly-in-v-formation

Photo Credit: sonicberg

The pelican is known, above all, for its incredible beak, equipped with an enormous elastic pouch, which it uses as a net to capture and transport its prey. With a capacity of 13 litres, it can hold up to 4kg of fish. Certain species have a wingspan of 3.5 m and weigh up to 13 kg.

Pelicans are excellent gliding and soaring birds and can cover long distances. They flap their wings very little and make good use of rising currents of air. They can fly up to 24 hours without stopping and cover 500 km in a day. The highest flying speed recorded is 56 km/h.

More interesting facts about the brown pelicans

Who does not love pelicans - They are cute, comical and make you smile.

Cormorants (Phalacrocorax carbo) - Known for excellent fishing skills

why-birds-fly-in-v-formation

Photo Credit: dekayne

Cormorants are members of the pelican family, with all four toes on each foot webbed, which helps them in swimming and chasing fish underwater.

Cormorants are strong fliers, flying rather like a goose, with neck stretched out, head held up and rapid wing beats. They can soar in air currents, but usually fly low over the water. The birds fly day or night, usually in V-shaped flocks numbering 200 or fewer birds, but flocks can number over 1000.

In the Far East, some fishermen make use of the cormorant's expertise, by training it to catch fish for them. A collar and lead is attached to the bird's neck and the collar is just tight enough to prevent the cormorant from swallowing a captured fish. The fisherman retrieves the fish from the bird's beak, only loosening its collar now and then to allow it to swallow a fish.

Read more Cormorants facts

Watch cormorants helping a fisherman catch fish.

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Canada Goose not Canadian Goose

The Canada goose is one of the best known birds in North America and can be found in every contiguous state and Canadian province at one time of the year or another. When the birds do migrate, they form impressive and aerodynamic "V-formations." They can cover 1,500 miles (2,400 kilometers) in just 24 hours with a favorable wind, but typically travel at a much more leisurely rate. These noisy groups honk their way along established paths that include designated "rest stops." These social birds remain in flocks year-round, except while nesting.

Photo Credit:Flickr annkelliott

The Canada Geese Air Show - Amazing!

Watch how wingtip vortices at the wingtips of each Canada goose benefit the one next to it. Even when the V formation changes shape, the geese continue to maintain the staggered position relative to each other. Every one gets that extra lift to save energy from wingtip vortices. This is the power of teamwork at its best.

Keep you eyes on the lead bird who works the hardest because it flies through undisturbed air.

Fun Canada goose-themed products for everyone - Realistic decoys, stuffed toys, or 1000-piece puzzle

Watch how the geese fall in line - There is nothing silly about the goose.

Sandhill Cranes ( Grus canadensis)

Sandhill cranes heading south for the winter for a warmer climate.

Cranes are recognizable by their long necks and legs. They also are characterized by their noisy courtship "dances." Unlike herons, cranes fly with necks outstretched, not pulled back.

There are six recognized subspecies of Sandhill Cranes. Of these, half are migratory. The migratory cranes travel long distances, using routes learned from adults. During this migration they congregate at major stopover spots.

Sandhill Cranes in V Formation - Every bird knows its place

why-birds-fly-in-v-formation

Photo Credit: deserttoad

With over 500,000 birds, the Sandhill Crane is the most abundant crane worldwide. Yet it is an endangered species in Washington.

Cranes are extremely wary, requiring isolated sites with good cover during the nesting period. When repeatedly disturbed by pedestrians, construction, low-flying aircraft, vehicles, or predators, they desert their nests. For Sandhill Cranes to survive in Washington, breeding, migration, and wintering habitats all need to be protected and enhanced. It is crucial that the loss and degradation of wetlands in Sandhill Crane nesting habitat is stopped, and in some cases, creation of additional habitat should be considered. Wetlands within two miles of agricultural areas providing grain are ideal roosting areas.

Beautiful pictures, videos, maps of cranes migrating

Amazing Sandhill Crane migration - Stop over on the Platte river in Nebraska

Sandhill crane flock flying

The sandhill cranes took to the sky and some fell out of formation and got back in line, each one taking advantage of the upwash generated by the bird in front of it for the extra lift.

Swans migrating video - Here we go!

Why is one side of the V formation longer than the other? - Like a check mark

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Photo Credit: Colin Macovei

When a V formation looks more like a check mark, with one longer side than the other, it usually means a crosswind is blowing. The short side of the wind is taking the brunt of the wind, while on the long side, the birds are attempting to shield one another from it.

Any air plane flying through the air has to produce a lifting force to sustain its flight. The penalty for producing this lift comes in the form of induced drag. This induced drag can be reduced if the span of the wing is increased and it can further be reduced if the wings are swept back like those of fighter air planes. thus when the geese fly in the 'V' formation in close proximity it gives an effect similar to a huge air plane with swept back wings. Thus, the overall induced drag of the formation is much lower than the sum of induced drags of all the individual birds. Hence less effort to fly overall. Now when the winds blow across the formation the beneficial effects of reduced induced drag get offset towards the leeward side of the formation. therefore, to balance out the lift generation of both the arms, the windward arm is made longer.

Source: Basics of Aerodynamics

Birds flying in V formation - Wonder of Nature

Micmicking Mother Nature - Nature got there first

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Photo Credit: Coop Photography

"Although manned aircraft can also exploit the benefits of formation flight, it is difficult to do so since we still lag behind nature in the ability of our technology to "feel" the air and adapt to it for optimum performance. Close formation flight among a group of aircraft is often difficult to maintain because of the turbulence created by the lead aircraft. Perhaps one day we will be able to develop advanced technologies that make aircraft as sensitive to their surroundings as the body of a bird is today. We may then be able to make better use of formation flight to improve the efficiency of flying vehicles."

Source: V- formation flight of birds

Fascinating books on bird migration for all ages

Lessons from the Geese

What mankind can learn from the geese.

'Individual empowerment results from quality honking'

Lessons from Geese provides a perfect example of the importance of team work and how it can have a profound and powerful effect on any form of personal or business endeavour. When we use these five principles in our personal and business life it will help us to foster and encourage a level of passion and energy in ourselves, as well as those who are our friends, associates or team members.

It is essential to remember that teamwork happens inside and outside of business life when it is continually nurtured and encouraged.

Lesson 1 - The Importance of Achieving Goals

As each goose flaps its wings it creates an UPLIFT for the birds that follow. By flying in a 'V' formation the whole flock adds 71 percent extra to the flying range.

Outcome

When we have a sense of community and focus, we create trust and can help each other to achieve our goals.

Lesson 2 - The Importance of Team Work

When a goose falls out of formation it suddenly feels the drag and resistance of flying alone. It quickly moves back to take advantage of the lifting power of the birds in front.

Outcome

If we had as much sense as geese we would stay in formation with those headed where we want to go. We are willing to accept their help and give our help to others.

Lesson 3 - The Importance of Sharing

When a goose tires of flying up front it drops back into formation and another goose flies to the point position.

Outcome

It pays to take turns doing the hard tasks. We should respect and protect each other's unique arrangement of skills, capabilities, talents and resources.

Lesson 4 - The Importance of Empathy and Understanding

When a goose gets sick, two geese drop out of formation and follow it down to the ground to help and protect it.

Outcome

If we have as much sense as geese we will stand by each other in difficult times, as well as when we are strong.

Lesson 5 - The Importance of Encouragement

Geese flying in formation 'HONK' to encourage those up front to keep up with their speed.

Outcome

We need to make sure our honking is encouraging. In groups and teams where there is encouragement, production is much greater. 'Individual empowerment results from quality honking'

Author Unknown

Honk or squawk if you stopped by. - I would love to hear from you.

Doc_Holliday on November 18, 2013:

Now that is what teamwork is all about.

ViolaSuSi on October 21, 2013:

Extremely interesting this lens. Enjoyed learning so many things on migratory birds.

readty7 on August 13, 2013:

I have been so close to Canadian geese they are so nice!

Bartukas on January 15, 2013:

very interesting lens thank you

Deborah Swain from Rome, Italy on October 11, 2012:

wow! an amazingly thorough lens...fascinating stuff!

anonymous on October 07, 2012:

Wow, this was extremely interesting. Furthermore, I have presented some of it to one of the people in our social group.

Thanks!

smaraymond on October 03, 2012:

I've never been a bird person, but this lens was very interesting.

maryLuu on September 01, 2012:

Good and well informed lens you've got here. Nice job!

Barbara Isbill from New Market Tn 37820 on August 30, 2012:

Interesting! Thumbs up!

Lorelei Cohen from Canada on August 25, 2012:

We live near a bird sanctuary so geese are often flying overhead. It constantly surprises me how much birds talk to each other. It seems that all birds do it though and I am so very glad as I love listening to them.

Alexandra Douglas from Florida on August 24, 2012:

Just Awesome! Birds are neat! Thank you for sharing! Feel free to look at my birdy lens!

Rosetta Slone from Under a coconut tree on August 09, 2012:

I feel much smarter having read your lens, so thankyou!

JamesDWilson on July 31, 2012:

More avian fun and facts than you can shake a stick at, great lens.

Faye Rutledge from Concord VA on July 29, 2012:

Thanks for this interesting info!

golfspice on July 25, 2012:

Interesting page on bird flight - makes total sense when you think about it. Great information.

siobhanryan on July 24, 2012:

I learnt load and we humans could learn a lot from the geese and birds

anonymous on July 24, 2012:

This is a fascinating and very educational lens. Great job.

writerkath on July 24, 2012:

Fabulous, educational and VERY interesting lens! You get my vote for today's "Amelia Earhart" day quest choice! I have always wondered why sometimes the V looked like more of a checkmark than a V. Now I know!

For the last 4 years, John & I have wintered in coastal areas, and find ourselves watching the birds fly over the water... We always say, when we see the pelicans, "Ok hon... here we go! The leader... 'flap flap flap flap flap' and all the birds behind 'flap flap flap flap flap' followed by - one at a time - 'coast coast coast coast coast' - it's quite remarkable how they know how to work together like that! :) Blessed! Kath

Wednesday-Elf from Savannah, Georgia on July 24, 2012:

Besides being an interesting lesson on why birds fly in the V formation, this is the perfect lens related to 'flight' to read for 'Amelia Earhart Day'. :)

William Leverne Smith from Hollister, MO on July 24, 2012:

Loved it! Thanks for sharing! ;-)

chft55 lm on July 18, 2012:

great lens! I've always wondered this, also. Now I know.

jlshernandez (author) on July 18, 2012:

@gamrslist: Thanks for the heads up. The pics not showing are caused by a Flickr issue. Will fix ASAP when I get the time.

gamrslist on July 18, 2012:

cool lens thank you for sharing, your sloppy formation pic isn't showing ? or mybe its my pc

kburns421 lm on July 17, 2012:

Wow, this was a lot more interesting than I ever though bird formations would be! I learned quite a bit. I didn't even know a group of geese was called something different depending on whether they were in the air or on land. Also found it really interesting that two geese will care for a hurt one. Great stuff!

Melissa Miotke from Arizona on July 14, 2012:

This was so interesting-thank you!

Ramona from Arkansas on July 08, 2012:

Very nice Lens! I have a Quaker Parrot in the house that is pretty entertaining. Wild birds in my back yard since I have a small fish pond the birds enjoy bating in it.

Violetta LM on July 05, 2012:

What a lovely lens this is to view. . One has to admire and respect their natural instincts for such organization in their social group.

SteveKaye on July 04, 2012:

I found this again, and it's amazing. Thank you for publishing this wonderful tribute to these birds. So here is a happy "Honk!"

Darcie French from Abbotsford, BC on July 02, 2012:

It's really neat to watch birds fly in their natural formation. Really loved the pics :)

jseven lm on June 30, 2012:

Great ,informative and nice pics. I love birds and flying. Blessed!

antoniow on June 30, 2012:

Great and useful lens, well done! Thumbs up

OrganicMom247 on June 08, 2012:

Interesting lens. Lots of information but still fun to read because of the beautiful pictures.

sherioz on May 28, 2012:

This is a wonderful lens. So beautiful and informative.

jlshernandez (author) on May 23, 2012:

@AmrElsawy: Geese honk at each other when flying in V formation as a way to communicate with each other. Instinctively, birds know how to keep distance from each other when flying or even sitting on powerlines for taking off and landing.

AmrElsawy on May 21, 2012:

Great and amazing. But i have a question dear friend: How every bird can keep distance between it and another one and they never hit their wings together even when they try to turn together right and left?

crstnblue on May 18, 2012:

Very nice, informative lens!

Teri Villars from Phoenix, Arizona on May 11, 2012:

Great stuff, I am hiding in a phone booth until the movie is over. Blessed!

WriterJanis2 on May 09, 2012:

So much interesting info. I learned quite a few new things. Blessed!

desa999 lm on May 08, 2012:

Amazing coverage of this topic with some incredible photos. Well done.

anonymous on April 16, 2012:

Thank you for explaining about the V formation of migratory birds. They are such wonderful birds.

Mary Beth Granger from O'Fallon, Missouri, USA on March 22, 2012:

I was looking for information on pelicans and came across this lens. Very interesting. Blessed.

flicker lm on March 15, 2012:

Fascinating article! After seeing the "Illustration of wingtip vortices", I finally understand more clearly how this works. Thanks!

JEMArtistry on March 11, 2012:

Great Lens! Very Interesting. :)

Funny_Beekeeper on March 08, 2012:

I asked myself this question many times before, but I couldn't get the right answer. Now I learned a whole lot of new things thanks to you and your lovely lens. Thank you for sharing this info and giving me the answer I was looking for ;)

RCGraphicsDesign on March 07, 2012:

It is funny how so many people think it is a Canadian Goose. Here in north Florida we have thousands of Canada Geese and I hear the incorrect pronunciation all the time. Thanks for a great lens.

GreenMind Guides from USA on February 23, 2012:

Reminds me of a joke my son told me once --

Q -- What do you call the goose at the front of the V?

A -- "The goose at the front of the V."

Yeah, I didn't get it either, but they thought it was funny...

anonymous on February 22, 2012:

Amazing lens,I learned a lot

bluefire1020 on February 18, 2012:

=) I like nature and birds are one of them. Thanks for sharing this, I've learned so much.

Chuck Nelson from California on February 16, 2012:

Amazing lens with lots of interesting information.

SecondHandJoe LM on February 06, 2012:

Well,I thought I knew a lot about migratory birds, but I learned a lot more! Great lens, congrats on LotD- Well Deserved!

sammittal on January 25, 2012:

Nice info.

bakanz on January 14, 2012:

I'm very honored to see your lens that includes my video 'Canada (Geese) Skies' under your article heading "The Canada Geese Air Show"! Thank you; and to borrow a quote from your intro, I, too, 'have always been mystified and fascinated by this aerial spectacle of nature'! Cheers to you (and to your skillful presentations of such interesting aspects of these birds' lives:)

Kathy McGraw from California on January 01, 2012:

Absolutely great page! I learned a lot and especially like your Lessons learned from geese, this one struck me first: "When we have a sense of community and focus, we create trust and can help each other to achieve our goals." but all of them are so true. *Blessed* by a Squid Angel that also loves birds :)

Peggy Hazelwood from Desert Southwest, U.S.A. on December 30, 2011:

Honk Honk! I love this lens! Very useful, fun information. I love that you noted it's Canada geese, not Canadian geese.

Jen Wood from Australia on December 20, 2011:

what a great lens, packed with interesting information, well done!

Jen Wood from Australia on December 20, 2011:

what a great lens, packed with interesting information, well done!

thesuccess2 on December 19, 2011:

Angels Blessings for these marvelous photos!

jlshernandez (author) on December 10, 2011:

@SteveKaye: @Steve_Kaye thank you for the ultimate compliment. I am thrilled that you enjoy bird-watching and respect nature. I never thought I would become a bird lover until the hummingbirds started building nests in my backyard. Thanks for your moral support. I truly appreciate readers like you.

SteveKaye on December 10, 2011:

Your lenses on birds are so awesome that I set up a bookmarks folder to keep track of them. Thank you for creating these incredible resources.

cmadden on November 27, 2011:

Beautiful and informative!

Alexandra Douglas from Florida on November 27, 2011:

Very interesting!

spartakct on November 05, 2011:

Wonderful lens! Very Interesting!

JoshK47 on November 01, 2011:

Fantastic lens - very interestign!

SookieLovesToPa on October 27, 2011:

Very interesting subject - well covered :)

Iudit Gherghiteanu from Ozun on September 29, 2011:

wonderful lens, and the explanation for the bird's way of fly will make me very respected by my grandchildren. but myself often was wondering, what is going on, where is from that discipline...thank you for the interesting lens and beautiful photos.

elyria on September 29, 2011:

So interesting! It is one thing that I have always wondered yet never remembered to look up, so I am glad I discovered your Lens and finally learned :)

elyria on September 29, 2011:

So interesting! It is one thing that I have always wondered yet never remembered to look up, so I am glad I discovered your Lens and finally learned :)

hlkljgk from Western Mass on September 25, 2011:

terrific videos, photos and explanation.

A RovingReporter on September 25, 2011:

This is a great lens. Thanks for sharing.

DuaneJ on September 16, 2011:

This is an awesome lens...I can see how this applies perfectly to team work. Excellent!

ThomasJ4 LM on September 14, 2011:

Wow, this is very interesting and the physics makes sense. Its funny to see the airplanes copying the birds, lol!

Lee Hansen from Vermont on September 14, 2011:

Honk honk honk! Watching birds fly south this week from Vermont made me choose "birds" in this fly-around angel quest.

rootadesigns lm on September 09, 2011:

Interesting lens!

Mary Norton from Ontario, Canada on September 07, 2011:

Amazing pictures...am glad to learn about the v formation as I often see them.

Mary Norton from Ontario, Canada on September 07, 2011:

Amazing pictures...am glad to learn about the v formation as I often see them.

PositiveChristi1 on September 04, 2011:

This lens is absolutely amazing. Fascinating subject and wonderfully presented.

Squid-liked and Angel blessed.

Tolovaj Publishing House from Ljubljana on September 04, 2011:

Well presented info with beautiful design. I like it a lot. Thanks:)

gottaloveit2 on August 30, 2011:

This is one of the most interesting lenses I've read. I totally loved it. It's so well constructed and informative. If I were a Squid Angel, I'd bless it.

ellagis on August 27, 2011:

Really a beautiful lens, so complete and rich of interesting aspects! I really love animals - therefore birds too - and I loved to read about them.

Oh, the times I could see V-flying birds across Roman skies too.... now the madness of men leaded them to change their route, as much as they can, to save from pollution and death.

lesliesinclair on August 23, 2011:

Fantastic! I'm not a birder, but love this. It answered some of my questions. Seeing those sandhill cranes reminds me of my newlywed days when my husband butchered our rabbits (not pets) and our friends had thought they were pets. We didn't know a sandhill crane from a buttercup, but we'd heard the name, so we told our friends the meat they ate at our dinner table was sandhill cranes we had bought at the Public Market! agh! now that I see them I'd never had suggested eating them. This is a beautiful lens.

anonymous on August 12, 2011:

Hi bakerwoman,

An amazing lense, I truly enjoyed reading it. We live under the Atlantic Flyway, and soon the birds will gather and start to fly over on their way south for the winter. The geese land nearby at the marsh, and you really hear them when they start to decend, we love them!

N T T

Wanda Fitzgerald from Central Florida on August 11, 2011:

I had no idea the v shape flight was so technical. It's all too much for my birdbrain to comprehend. Love the photos and videos.

ElizabethJeanAl on August 02, 2011:

The birds will be heading south soon.

anonymous on July 27, 2011:

Hmm... There's a lot to learn from the geese I guess! Wonder who taught them aerodynamics! Brilliant lens. :)

Krafick on June 23, 2011:

Very interesting information. Rafick

Tarra99 on June 17, 2011:

informative! thanks for sharing...

Runnn on June 14, 2011:

Bird's good teamwork. Something we need to learn from them.

dessertlover on June 07, 2011:

Very interesting lens! I learned a lot here!

marckq on June 03, 2011:

Saving this lens on my favorites. My bird lover son should see this!

whoisbid lm on June 01, 2011:

Amazing. I did not know that the birds changed positions for that reason.. Thanks for letting me know about it

ForestBear LM on May 25, 2011:

beautiful lens! Great images and very informative, thank you for sharing. I just became a fan!

anonymous on May 08, 2011:

Very informative lens! Nice work.

Michelle Mafra from Corona CA on May 04, 2011:

Congratulations on your purple star. This lens is truly lovely and made me inspired. I live in an migratory bird area in Anaheim and I have the pleasure of seeing many bird formations and they are so much fun to watch. Nature is truly amazing

ChrisDay LM on May 03, 2011:

Yes, I dropped out of formation to pay this lovely lens a visit - well worth my while and well-worthy of the purple satr.

Deb Kingsbury from Flagstaff, Arizona on April 19, 2011:

Wow, I learned a lot here. VERY interesting. Next time I look up in the sky to see a "V," I'll know much more about what I'm looking at.

goode006 lm on April 19, 2011:

This was very interesting about birds, we all learn something new every day.

pheonix76 from WNY on April 19, 2011:

I absolutely LOVE this lens!! Thank you for making such a beautiful bird lens. :):):) I am an avid birder and was able to see thousands of geese this past March, including around a thousand snow geese, truly a spectacular sight en masse. I have lensrolled and featured you lens on one of my bird pages.

Renaissance Woman from Colorado on April 12, 2011:

Outstanding lens! I learned a great deal. The sight of birds in formation always stirs something within me. I feel I should be on my way somewhere. Oh to travel along! Really enjoyed this lens. Thanks!

sukkran trichy from Trichy/Tamil Nadu on April 09, 2011:

very informative lens with lot of wonderful photos and vids. thanks for the great information.

Thomas Holley from Evansville, IN on April 01, 2011:

I found this lens very informative! I always thought that birds chose the V because the other letters were too hard. Turns out to have very scientific reasons and principles. Thanks!

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