The scientific question of within which larger group of animals birds evolved has traditionally been called the "origin of birds". The present scientific...

The Origin of Birds is an early synopsis of bird evolution written in 1926 by Gerhard Heilmann, a Danish artist and amateur zoologist. The book was born...

swimming. The study of birds is called ornithology. Birds are feathered theropod dinosaurs and constitute the only known living dinosaurs. Likewise, birds are...

Archaeopteryx The evolution of birds began in the Jurassic Period, with the earliest birds derived from a clade of theropod dinosaurs named Paraves. Birds are categorized...

The Origin of Birds is a book by Australian palaeontologist John A. Long and Peter Schouten connecting feathered dinosaurs with the origin of birds....

paleornithologist specializing in the origins and phylogeny of birds. He is S. K. Heninger Distinguished Professor Emeritus at the University of North Carolina. Feduccia's...

basal archosaurian origin for birds". Acta Zoologica Sinica. 50 (6): 977–990. ISSN 1674-5507. Feduccia, Alan (October 1, 2002). "Birds are Dinosaurs: Simple...

Birds of prey or predatory birds, also known as raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals...

for birds to balance these forces, certain physical characteristics are required. Asymmetrical wing feathers, found on all flying birds with the exception...

On the Origin of Species (or, more completely, On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle...