[DOC] [TLE] Birds That Fly in a V Formation Use An Amazing Trick  Phenomena ... [PAR] Jan 15, 2014 ... Most people would say that they do it to save energy, which would be right. ... 
Here is the standard explanation for the V-formation: ... at the back of the V had 
slower heart rates than those in the front, and flapped less often. [DOC] [TLE] Swan - New World Encyclopedia [PAR] Nov 6, 2015 ... Swans often are a symbol of love or fidelity because of their ... Other note that 
these birds (which breed in the Arctic and can fly to 27,000 feet) ... clocked at 100 
mph with a tailwind while flying in a V-formation (UEN 2007). [DOC] [TLE] V formation - Wikipedia [PAR] A V formation (sometimes called a skein) is the symmetric V-shaped flight 
formation of flights of ... According to a 1970 paper, in a V formation of 25 
members, each bird can achieve a reduction of induced drag and as a result 
increase their... [DOC] [TLE] 5 Things Geese Can Teach Us About Teamwork | Len Wilson [PAR] Jun 28, 2016 ... Consequently, by flying together in a v-formation, scientists estimate that the ... 
Perhaps human teams can learn from flying flocks of geese that ... To find the 
truth you have to research print media, often as primary material. [DOC] [TLE] Kin selection and reciprocity in flight formation? - Behavioral Ecology [PAR] The bird leading an acute V formation saves less energy than does the trailing ... 
Swans, cranes, large geese, and other large birds often use acute V formation... [DOC] [TLE] SWANS & GEESE - Wroxham and District U3A [PAR] Territorial: Wing Arch to make himself even bigger: the only swan to do so: .... 
Flight: Often fly in 'V' formation; look heavy; Upper wing pale grey with brown 
panel... [DOC] [TLE] Why do geese fly in a V? (Everyday Mysteries: Fun Science Facts ... [PAR] Scientists have determined that the V-shaped formation that geese use when 
migrating serves two ... It follows that birds that fly in formation glide more often 
and reduce energy ... (Juvenile); Todd, Frank S. Waterfowl: Ducks, geese, and 
swans. [DOC] [TLE] Swans & Geese - York County Conservation District [PAR] Swans and geese are large waterfowl most often seen in Pennsylvania during 
fall and spring migrations. They will ... call, most often heard as they fly in a V 
formation high overhead during ... Tundra swans can be seen flying over our 
state dur-. [DOC] [TLE] Mute Swan flocks fly in V formation to the moon |  all righ | Flickr [PAR] The Mute Swan is one of the heaviest flying birds, with males known as cobs ... 
birds can fly at altitudes of even 8 km; Mute Swan flocks usually fly in V formation. 
... Should one partner die long before the other, the surviving bird often will not... [DOC] [TLE] Why do migratory birds fly in a V-formation? - Scientific American [PAR] Feb 23, 2004 ... The linear flight formations of migratory birds are called echelons. The V ... that a 
true V-shaped echelon is, in fact, less common than a J formation is. ... The 
animals are not very often in the expected optimal location, however,... [DOC] [TLE] Trumpeter Swan | Audubon Field Guide [PAR] Trumpeter Swan ... Female does most of incubating but male often does some; 
eggs hatch in ... Most migration is by day, flocks often in V-formation, flying low. [DOC] [TLE] swan | bird | Britannica.com [PAR] They migrate in diagonal formation or V-formation at great heights, and no other 
... Swimming or standing, the mute (C. olor) and black (C. atratus) swans often 
tuck one foot ... After repulsing an enemy, swans utter a triumph note, as geese 
do. [DOC] [TLE] Trumpeter Swans - AvianWeb [PAR] Trumpeter Swans: Origin, Description, Photos, Diet and Breeding. ... lifetimes, 
particularly after nesting failures, and some that lost their mate did not mate again
. ... fall migrations,

Question: Swans often do this in a "V" formation
Answer: Fly