Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Example 3456 × 5184 geo-tagged photos. Species of the birds inside each image are given. (b) Example images of 38 observed species grouped by their order names. Common and scientific names of each species are given in bold and italics, respectively. Close shots of several species could not be taken owing to their flying habits. Best viewed in zoom and color.
