How many types of terns are there?

How many types of terns are there?

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 over different areas of the continent and the other seen around the coastlines and out at sea.

What type of animals are terns?

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 inland waters and are nearly worldwide in distribution. The largest number of species is found in the Pacific Ocean.

How do I identify terns?

Common Terns are pale gray overall with a black cap. Breeding birds have a fully black cap that extends to the back of the neck and a gray belly. They also have an orange bill tipped in black and orange legs. Nonbreeding birds have a white forehead, a partial black cap, and black legs and bill.

Is a tern a seabird?

Terns are seabirds in the family Laridae that have a worldwide distribution and are normally found near the sea, rivers, or wetlands. Terns are treated as a subgroup of the family Laridae which includes gulls and skimmers and consists of eleven genera.

Are there terns in Ontario?

In Ontario, Black Terns are found scattered throughout the province, but breed mainly in the marshes along the edges of the Great Lakes.

What are terns nests?

Common Terns nest in colonies on the ground in areas with loose sand, gravel, shell, or cobble pebbles typically less than 350 feet from the water. They tend to choose areas with scattered, low-growing vegetation to provide cover for chicks.

Are terns related to seagulls?

Gulls, or colloquially seagulls, are seabirds of the family Laridae in the suborder Lari. They are most closely related to the terns (family Sternidae) and only distantly related to auks, skimmers and even more distantly to waders.

What do terns sound like?

Terns are vocal birds with a variety of harsh, burry, and shrill calls. In flight or in territorial disputes they give a down-slurred burry and nasal call. When they are alarmed or threatened by other terns they give a grating kee-ar.

What is a brown seagull?

Herring Gulls take four years to reach adult plumage. Juveniles are mottled brown; second-year birds are brown but show gray on the back. Third-years have more gray on the back and more white on the head and underparts. Look for Herring Gulls in winter along coasts and near large reservoirs, lakes, and major rivers.

Are seagulls terns?

The sight of a white bird near water leads most people to assume it’s a seagull, but in reality the term seagull is not one specific type of bird. The Laridae family also includes terns, many of which are similar in appearance to gulls. …

What do common terns eat?

Diet. Mostly fish. Feeds on a wide variety of small fish, focussing on whatever types most easily available, sometimes concentrating on shrimp instead. Also eats other crustaceans, insects, marine worms, small squid, leeches, marine worms.

Where are common terns found?

The common tern (Sterna hirundo) is a seabird in the family Laridae. 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 tropical and subtropical regions.