|Wikispecies has information related to: Aves|
Birds are bipedal, warm-blooded, egg-laying vertebrates characterized primarily by feathers, forelimbs modified as wings, and hollow bones. This category contains taxa at the order or higher level in the class of Aves.
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This category has the following 35 subcategories, out of 35 total.
The following 75 pages are in this category, out of 75 total. This list may not reflect recent changes (learn more).