perching


Also found in: Dictionary, Thesaurus, Legal, Idioms, Encyclopedia.
Related to perching: Pershing

perching

characteristic resting posture of birds on thin branches or perches; facilitated by anatomical arrangement of the digital flexor tendons—when the bird squats the knee and hock joints are flexed and the digital tendons flex passively, the digits grasping the perch.
References in periodicals archive ?
To determine whether a commercially available supplemental perch might encourage raptors to shift perching away from the energized zone of a pole where wires are present, we quantified raptor use of a supplemental perch manufactured by Bird Power Line Protection, Ltd (Calgary, Alberta, Canada).
Conversely, small species may gain some protection from larger predators (larger dragonflies and birds) by flying and perching close to the water's surface.
If the bird is flying instead of perching, Sibley argues, the Cornell group's calculations of bird size no longer work.
During times of inactivity, a perching site is not a retreat site in the classic sense because a perching site is an open space.
Furthermore, rather than pointing forward as in a theropod or backward as in a perching bird, the Archaeopteryx first toe pointed sideways as a human thumb does, says Mayr.