Terns are seabirds in the family Laridae, subfamily Sterninae, that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated in eleven genera in …

They dive towards the water picking off fish just below the surface. The Common Tern is the most widespread tern in North America, spending its winters as far south as Argentina and Chile. …

This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory , wintering in coastal …

One of four very similar terns on this continent. The species lives up to its name as a 'common' tern mainly in the northeast; over much of the continent, it is outnumbered by the similar …

Aug 2, 2015 · Smallest North American tern, with a yellow bill and white forehead. In flight, note pointed wings and black outer edge on the primaries. Smallest tern in North America. Thin …

Tern, any of about 40 species of slender, graceful water birds that constitute the subfamily Sterninae, of the family Laridae, which also includes the gulls. Terns inhabit seacoasts and …

Use this tipsheet to distinguish between the United States’ four big terns: Caspian, Royal, Elegant, and Sandwich. To check out all our tern species, see Audubon's Guide to North American …

These delightful silvery-grey and white birds have long tails which have earned them the nickname 'sea-swallow'. They have a graceful, floating flight and frequently hover over water …

There are at least seventeen types of terns including the native and vagrant species that have been seen in North America. These different types are closely matched, with a portion seen …

Arctic terns are long-lived birds, with many reaching fifteen to thirty years of age. They eat mainly fish and small marine invertebrates. The species is abundant, with an estimated two million …