Threatened and Endangered Species

van Rossem's gull-billed tern (Gelochelidon nilotica vanrossemi)

The van Rossem's gull-billed tern is a medium-sized migratory seabird that has a stout black bill. It forages on a variety of prey items in different habitat types, and nests at sites located in low open areas on natural and artificial beaches, islands, and levees with no or sparse vegetation.

A photo of the gull-billed tern may be viewed on Flickr.