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Bird ringing is the term used in the UK and in some other parts of Europe, while the term bird banding is more often used in the U.S. and Australia. [49] bird strike The impact of a bird or birds with an airplane in flight. [50] body down The layer of small, fluffy down feathers that lie underneath the outer contour feathers on a bird's body. [51]
Bird ringing is the term used in the UK and in some other parts of Europe and the world. Bird banding is the term used in the United States. Organised ringing efforts are called ringing or banding schemes, and the organisations that run them are ringing or banding authorities. Birds are ringed rather than rung. Those who ring or band birds are ...
Trees can be girdled by climbing, twining, and ground-creeping (rampant) vines. There are several invasive species that harm trees in this way and cause significant damage to forest canopy and the health of ecosystems dependent on it. Oriental Bittersweet, Oriental Wisteria, and English Ivy all can damage and kill trees by girdling. [citation ...
The use of bird skins to document species has been a standard part of systematic ornithology. Bird skins are prepared by retaining the key bones of the wings, legs, and skull along with the skin and feathers. In the past, they were treated with arsenic to prevent fungal and insect (mostly dermestid) attack.
When preening, a bird (such as this red lory) draws individual feathers through its beak, realigning and re-interlocking the barbules.. Preening is a maintenance behaviour found in birds that involves the use of the beak to position feathers, interlock feather barbules that have become separated, clean plumage, and keep ectoparasites in check.
Formally, the issue is that interfertility (ability to interbreed) is not a transitive relation; if A breeds with B, and B breeds with C, it does not mean that A breeds with C, and therefore does not define an equivalence relation. A ring species is a species with a counterexample to the transitivity of interbreeding. [3]
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Galahs gathering for communal roost, Karratha (). Communal roosting is an animal behavior where a group of individuals, typically of the same species, congregate in an area for a few hours based on an external signal and will return to the same site with the reappearance of the signal.