great skua (stercorarius skua)

aggression alone animal avian behaviour bill bird birds bonxie britain british brown climate closeup cloudy coast coastal colors colour courtship display displaying endangered environment feather feathers flying grass great grey ground horizontal hunter island isles june kingdom land landing location locomotion low moor mountain nature oceanic one ornithology predator quantity scotland scream sea seabird seabirds seaside seasons shetland single skua skuas sky species spectacular stercorarius stretch summer threatened time united weather white wild wilderness wildlife wing wings