(CN) — Scientists have discovered two distinct subspecies of fork-tailed flycatchers that communicate with each other by producing a high-pitched frequency with their feathers — and exhibit regional ...

Credit Jack Cochran (CN) — The fluttering wings of butterflies have always been a symbol of beauty and transformation, but research suggests that rather than transforming, their populations have been ...

This intelligent parrot waits faithfully by the window daily, rushing to greet his "brother" after school. The second he spots the boy, wings flutter wildly with joy at once!

DeflectionLuna moths flutter their wing “tails” to throw incoming bats off target, often diverting attack. Art by Jessica Wang. Sources: Jesse R. Barber, Boise State University; Akito Y.