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The Cacatuoidea are quite [clarification needed] distinct, having a movable head crest, a different arrangement of the carotid arteries, a gall bladder, differences in the skull bones, [6] and lack the Dyck texture feathers that—in the Psittacoidea—scatter light to produce the vibrant colours of so many parrots. [7]
They are predominantly green, with accenting colours that are quite vivid in some species. The taxonomy of the yellow-crowned amazon (Amazona ochrocephala complex) is disputed, with some authorities listing only a single species (A. ochrocephala), and others splitting it into as many as three species (A. ochrocephala, A. auropalliata and A ...
A seven-page introduction is followed by a six-page chapter entitled "Avian Higher-level Phylogenetics and the Howard and Moore Checklist of Birds" by Joel Cracraft, F. Keith Barker and Alice Cibois, after which is a summary of the family structure used in this edition, in tabular form, giving numbers of genera and species. The bulk of the book ...
The most important criterion was that each species was to have only one English name throughout the world, which was to be different from all other names. [ 1 ] : 3–5 The result, published in 2006, was a 199-page list of species, [ 1 ] : 12–211 arranged taxonomically, [ 1 ] : 2 and a 46-page index, [ 1 ] : 213–259 giving both English and ...
The parrots' ability to mimic human words and their bright colours and beauty prompt impulse buying from unsuspecting consumers. The domesticated budgerigar, a small parrot, is the most popular of all pet bird species. [102] In 1992, the newspaper USA Today published that 11 million pet birds were in the United States alone, [103] many of them ...
The Clements Checklist of Birds of the World is a book by Jim Clements which presents a list of the bird species of the world. The most recent printed version is the sixth edition (2007), but has been updated yearly, the last version in 2024, and is published by Cornell University Press. Previous editions were published by the author's own ...
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct.
The Handbook of the Birds of the World (HBW) is a multi-volume series produced by the Spanish publishing house Lynx Edicions in partnership with BirdLife International. It is the first handbook to cover every known living species of bird. The series was edited by Josep del Hoyo, Andrew Elliott, Jordi Sargatal and David A. Christie.