Avian range expansion describes how birds expand their habitat. Because of the activities of birdwatchers, these range expansions are well documented...

related species. Several avian characteristics are compared in the table below. At the time of their hatching, chicks range in development from helpless...

The avian brain is the central organ of the nervous system in birds. Birds possess large, complex brains, which process, integrate, and coordinate information...

evolution of the avian skull. In essence, adult bird skulls will resemble the juvenile form of their theropod dinosaur ancestors. As the avian lineage has...

century with the greater availability of nesting sites and subsequent range expansion, including the colonisation of northern Alberta. A specific threat...

"Range expansion and the possibility of an emerging contact zone between two subspecies of Chiffchaff Phylloscopus collybita ssp". Journal of Avian Biology...

areas. As a result of the barred owl's westward expansion, the species has begun to encroach on the range of the related and threatened spotted owl (Strix...

tetrapods, and present new estimates of body segment mass properties of 52 non-avian dinosaurs. Review of sources of information about dinosaur locomotion, and...

continental birds, strongly suggest that these species underwent a rapid range expansion following the end of the last ice age, with populations originally...

cowbird, its range has extended to Chile, the Caribbean and North America mostly naturally but facilitated through pet trade Avian range expansion Introduced...

be aggressive, and tend to bond towards an individual, either human or avian, and may not get on well with other people or pets. Two lovebirds may not...

Smith; R. Wayne. (2006). "Postglacial population expansion drives the evolution of long-distance avian migration in a songbird". Evolution. 60 (11): 2403–2409...

unpalatable model, avian predators never ate the viceroy mimic. Research has argued that the viceroy may be unpalatable to avian predators. If that is...

Bird eggs are laid by the females and range in quantity from one (as in condors) to up to seventeen (the grey partridge). Clutch size may vary latitudinally...

grounds around Western Europe and Scandinavia. Starlings imitate a variety of avian species and have a repertoire of about 15–20 distinct imitations. They also...

1973). "Analysis of the Eastward Breeding Expansion of Brewer's Blackbird Plus General Aspects of Avian Expansions" (PDF). The Wilson Bulletin. 85 (4): 452–464...

even be responsible for triggering population increases and range expansion among various avian species. Northern bush honeysuckle is generally abundant...

Spanish flu. In 2017, free-range chickens in the UK were temporarily ordered to remain inside due to the threat of avian influenza. Cattle are an important...

sampling of the avian genus Pica (magpies) reveals ancient relictual populations and synchronous Late-Pleistocene demographic expansion across the Northern...

(1993). "Differential avoidance of coral snake banded patterns by free-ranging avian predators in Costa Rica". Evolution. 47 (1): 227–235. doi:10.1111/j...

Arizona populations, respectively. Winter storms limit the expansion of mockingbirds in their range. The storms have played a role in the declining of the...

external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking, grasping, and holding...

into Ireland for the first time. The massive and rapid expansion of the cattle egret's range is due to its relationship with humans and their domesticated...

larger group is termed Avialae. Currently, the relationship between non-avian dinosaurs, Archaeopteryx, and modern birds is still under debate. There...

sampling of the avian genus Pica (magpies) reveals ancient relictual populations and synchronous Late-Pleistocene demographic expansion across the Northern...

50% of all genera became extinct, including all of the non-avian dinosaurs. The Triassic ranges roughly from 252 million to 201 million years ago, preceding...

females, and differing levels of reproductive success. With the expansion of its range and its parasitic behavior, the brown-headed cowbird is often regarded...

possible they have a wild origin and represent an expansion of the species' range. The historical range of this species is thought to have stretched southwards...

1948, it was only a winter visitor. The massive and rapid expansion of the cattle egret's range is due to its relationship with humans and their domesticated...

and tree planting facilitated a westward range expansion of the brown thrasher as well as range expansions of many other species of birds. Studies indicate...