Browsing Tag

gulls

  • Lesser black-backed Gull and Herring Gull coexist peacefully, most of the time.

    Signals for Bird Survival

    December 21, 2009—On a small rocky island off the Maine coast, two adversarial species of gulls coexist in relative peace, despite each being a potential predator of the other. Thousands of Greater Black-backed and Herring gulls…