Cormorant bathing, dives head, shakes feathers then flaps wings to shake off water from water permeable feathers

cormorant water bird waterbird phalacrocorax aquatic birds phalacrocoracidae common shag waterpermeable feathers coastal bird waterproof feathers flapping avian plumage bathing oviparous birding swim bird gulosus aristotelis common shag wildlife medium bird inland waters canal regents canal dark feathers ornithology aquatic flaps fishing aquatic life suliformes water dives ashore gulosus grooming wings fisheaters great britain london feather shags shakes