They fly in that kind of formation because it helps to make their work easier and faster without easily getting tired. they are CRANE MIGRATORY birds and CRANE MIGRATORY birds fly in either V or J formation.
because of the hibernation
They migrate by a special formation
The v-formation is more efficient for birds who are flying long distances.
streamline
During migration, birds fly in a V formation to conserve energy. The birds on one side of the V formation are typically more numerous because they benefit from reduced wind resistance and can take turns leading the flock.
all birds that fly in a V formation fly in the upwash from the wings of the bird ahead, which assists each bird in supporting its own weight. Drag is considerably decreased and thus rage of flight increased. Birds rotate to and from the front at time to time
This is called the V formation which greatly boosts the efficiency and range of birds. This reduces the amount of drag that the birds produce.
Song thrush and hovering birds like swallows
Birds fly in a V formation to conserve energy and increase efficiency during long flights. The formation reduces wind resistance and allows birds to take turns leading, which helps them save energy by drafting off the bird in front of them.
it is also called a skein
here is one many birds migrate or move from one place to another at specific times of the year for example birds such as geese and sparrows fly south for the winter it is warmer in the south and there is more to eat there some birds will fly the same exact path year after year some scientists say that birds don't get lost because they use the stars at night to guide them when some birds migrate they form different patterns in the sky one of the most common is the v formation geese migrate in a v formation each goose takes turns as the lead bird the lead bird must the other geese follow in the shape of a v the lead bird must fly directly into the wind and block the wind for the other birds by taking turns as lead bird no goose becomes too tired during the journey seeing the birds fly south is always a sign that winter is on the way
Birds that migrate are called migratory birds. Birds that do no migrate are called sedentary birds. Over 4000 species of birds migrate, mostly those native to colder regions.