Species Information

Bird Identification

Patuxent Bird Identification InfoCenter

Photographs, songs, videos, identification tips, maps, and life history information for North American birds.  Developed and maintained by USGS Patuxent Wildlife Research Center.

Discover Life (Bird) IDnature Guide

A polydichotomous key to North American birds. Use this guide and your knowledge of the physical appearance (e.g. head color and shape) to identify North American birds and access to information and images for 1752 kinds of birds. Developed by Discover Life and the Polistes Foundation.


This NBII site is developed and maintained by the U.S. Fish & Wildlife Service
and the U.S. Geological Survey's Patuxent Wildlife Research Center.

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