- Fregatidae by Brett Owens
(vertebrate zoology) Frigate birds or man-o'-war birds, a family of fish-eating birds in the order...
- Passeres by Webster's
(n.pl.) An order or suborder, of birds, including more that half of all the known species. It...
- Zygodactylae by Webster's
(n.pl.) The zygodactylous birds. In a restricted sense applied to a division of birds which...
- avian influenza by Kevin Walton
N. A potentially fatal infection in birds caused by any of various subtypes of the influenza type A...
- Aves by Anna Farmer
A class comprising all of the birds. Any vertebrate, in fact any living organism, that has feathers...