GPS tracking data showed the bird zooming across bridges and interstates at 60 miles per hour on two occasions in 2018 ...

The findings, published recently in the scientific journal BioOne, mark the first time a western gull has ever been observed ...

The western gull-billed tern is less abundant, and has fewer breeding sites, than the two listed endangered seabird species, and does not pose a significant rangewide threat to either of them. “It is ...

When biologists compared the genetic “barcodes”—snippets of mitochondrial DNA, inherited matrilineally and thus not affected by hybridization—of 643 North American birds, they found that eight large ...

The gull just might be the Rodney Dangerfield of birds. The physiques of many species lean more toward barrel-chested than sleek. Plumage tends toward bland: Picture white and black and 50 shades ...

The western gull-billed tern is a stout, white, medium-sized, black-capped seabird with a black bill and black legs and feet. Worldwide there are six subspecies of gull-billed terns, two of which are ...