The 66th Supplement to the American Ornithological Society's (AOS) Check-list of North American Birds, published in Ornithology, includes several significant updates to the classification of bird ...

The comprehensive 216-page book now includes brown booby sightings in Hellertown and Easton, along with encouraging purple ...

The scientific study of birds is called ornithology. It is a specialized zoological discipline, which deals with the physiology, classification and ecology of bird species. What is the study of birds?

Yes and no: It depends on how you classify animals. There are two main classification systems – the Linnaean system which groups organisms by characteristics and the phylogenetics system, which ...