Adult Chilean skua, Stercorarius chilensis, harassing kelp gulls to force regurgitation, Beagle Channel, Argentina, South America

Adult Chilean skua, Stercorarius chilensis, harassing kelp gulls to force regurgitation, Beagle Channel, Argentina, South America

An adult striated caracara, Phalcoboenus australis, harassing a gentoo penguin, New Island, Falkland Islands, South Atlantic Ocean

An adult striated caracara, Phalcoboenus australis, harassing a gentoo penguin, New Island, Falkland Islands, South Atlantic Ocean

Pied crow, Corvus albus, harassing white backed vulture, Gyps africanus, Zimanga game reserve, KwaZulu-Natal, South Africa

Adult male Antarctic fur seal (Arctocephalus gazella) harassing a skua at Torgersen Island, Antarctica.

An adult brown skua (Stercorarius antarcticus), harassing a gentoo penguin on Barrientos Island, Antarctica, Polar Regions

Sign: Prohibition of feeding or harassing alligators, Celebration, Florida, USA