An epidemiological study found that 56% of a large breeding colony of Caspian terns died from a 2023 outbreak of highly pathogenic avian influenza at Rat Island in Washington state. Since then, no ...

Caspian tern chicks with a decoy adult tern. The species is a protected migratory bird that feeds on endangered wild salmonids, and preserving both populations poses a conundrum for conservationists.

Caspian terns feeding on young fish have a significant impact on runs of steelhead in the Columbia River, new research suggests. Caspian terns feeding on young fish have a significant impact on ...

The Caspian tern management project also calls for establishing and/or restoring three alternative nesting sites in the San Francisco Bay area, where the OSU-led team also has a research crew.

The title for Michigan’s largest, most cosmopolitan tern goes to the Caspian Tern. In fact, the Caspian is the largest tern in the world, measuring approximately 18-21 inches in length with a ...

The Caspian terns of Rat Island have had a difficult couple of years. "They ended up here because they were basically hazed away from other places where they had conflicts with humans," said Steve ...

No matter how many times you see a Caspian tern, it is an impressive sight. The largest of all terns, 20 inches long with a 55-inch wingspan, it is easily recognized by its blood-red bill and is of… ...

Why Caspian terns are being hit so hard by avian influenza, but other close-nesting seabirds have not experienced the same kind of devastation, is baffling to the scientists.

CORVALLIS, Ore. - Caspian terns feeding on young fish have a significant impact on runs of steelhead in the Columbia River, research by Oregon State University suggests. Through detailed analysis ...

Caspian terns are migratory and return to the Northwest in late April or May after wintering elsewhere, mostly in southern California and Mexico. They can live for 20 years or more.

Biologists had no sooner set out a couple hundred plastic Caspian tern decoys and turned on a recording of the birds squawking than five real ones flying overhead came around for a closer look. In ...

Caspian terns are migratory and return to the Northwest in late April or May after wintering elsewhere, mostly in southern California and Mexico. They can live for 20 years or more.