(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 ...
Charles Darwin once posited that birds might flap their wings to communicate, not just to fly. However, this has always been pretty tricky to test. Now, 150 years later, researchers have discovered ...
A drone prototype that mimics the aerobatic manoeuvres of one of the world's fastest birds, the swift, is being developed by an international team of engineers in the latest example of biologically ...