Hoatzins are known as a smelly bird. In fact, they're infamously referred to as one of the stinkiest animals to exist.

Copying a bird’s approach, in which an animal can spread its wings to catch more air to improve maneuverability or pull them closer to its body to reduce air resistance and increase speed, isn ...

It doesn't sing, instead, it uses its wings to create a musical tone that is quite pure and precise, so much so that it ...

A new robotic bird made with real pigeon feathers is the first robot that can change the shape of its wings like a bird, by fanning its feathers out or folding them closer together. Lentink Lab ...

Well, birds actually do hit trees with their wings. Unlike the rigid wings of an aircraft, however, birds' wings simply fold back under impact, then immediately fold open again to maintain flight.

Tropical bird wings look different than those from other regions, say scientists. ... So, Dr. Bowlin says, it remains an open question whether dispersal ability affects diversification.

The rest of the time, they successfully avoided flapping their wings by making the most of wind and air currents, to the point where one bird even managed to go five hours without flapping ...

Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but ...