The fascinating science of birds flying in a V-formation

Birds fly in a V formation to save energy. The bird in front creates lift for those behind. This teamwork makes long flights ...
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Birds Flying FAQ: How High Do Birds Fly?

According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...