(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 ...

A new study into the flight characteristics of condors — the largest soaring birds on Earth — finds that they rarely flap their wings once airborne. Condors are capable of flying for over a hundred ...

Sometimes, a ruffle of feathers can say more about a bird's situation than its chirps, coos and caws. Take the crested pigeon. Its mere act of taking frantic flight is enough to alert its flock of ...