arctic skua stercorarius parasiticus

adult aggressive animal arctic attack bird birder birding birds circle cold colour desert eater flesh flesheater fowl franz freebooting guide harpy hawk jaeger josef joseph kite kittiwake kleptoparasitism land light looter marauder morph nature northern ocean ornithology parasitic parasiticus piracy polar predator raptor rays rissa robber seabird shark skua stercorarius sun tin tour tridactyla tundra vulture wildlife wolf