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Sid Mosdell   cc-by

Birds is a group of Dinosauria. There are 11370 species of birds, in 2616 genera and 360 families. This group has been around since the Bathonian Age. Aves (birds) includes groups like Confuciusornithidae, Archaeopterygidae, and Anchiornithidae. Reproduction is oviparous and dioecious.

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EOL has data for 34 attributes, including:

Known occurrences, collected specimens and observations of birds