AM.0071-32Gray Wolf. Adult male defending his food with a snarl. Montana. USA.
AM.0087-09Gray Wolf, Canis lupus, male adult snarls to defend his meal. Montana, U.S.A.
WL.0604-00Female leopard seal (Hydrurga leptonyx), threat display. Pleneau Island, Antarctic Peninsula
TJ.0908-00King Penguins threaten a Brown skua that has landed in their midst. Salisbury Plain. South Georgia. Sub Antarctic