courtship behaviour from a pair of gannets with the male nibbling the nect of the female bird

animal atlantic bassanus behavior bempton bird birds bonaventure boobies booby breeding cliffs coast coastline colony copy cormorant courtship environment feather feathers fulmar gannet gannets geese goose gull heligoland landscape morus nature northern ocean pembrokeshire plumage puffin rock scotland sea seabird seabirds shetland space wales wild wildlife wings yorkshire