"These two species look quite similar, but the Herring gull has a light grey back and pink legs, and the Lesser black-backed gull has a darker grey back and yellow legs. "By studying gulls' diet ...

Medium-size, 3-cycle gull with sloping head ... note the California’s medium gray back; dark brownish greater coverts (pale gray on the ring-billed); and paler legs, often with a greenish ...

The Department of Conservation (DOC) has confirmed about 40 black-backed gulls have died from what is believed to be avian botulism at the Waitarakao Washdyke Lagoon, near Timaru. The news comes ...