Laurie Campbell / Black-headed gulls (Larus ridibundus) robbing Puffin (Fratercula arctica) of catch, Farne Islands, Northumberland, England, June

Laurie Campbell / Black-headed gulls (Larus ridibundus) robbing Puffin (Fratercula arctica) of catch, Farne Islands, Northumberland, England, June

Christian Ziegler / Bee (Apidae) male approaching dead male of different species to steal oils needed for courtship in behavior called grave robbing, Barro Colorado Island, Panama

Kim Taylor / Bumble bee {Bombus sp.}, either buff-tailed or white-tailed bumblebee worker 'robbing' Comfrey flower. Nectar robbing bees use their mandibles to chew a hole in the base of the flower and then lap up...