Cook's petrel  (Pterodroma cookii)

Cook's petrel on ground
Cook's petrel on ground
© Peter Reese / naturepl.com		Cook's petrel on ground
Cook's petrel on ground
© Mike Thorsen		Cook's petrel gliding
Cook's petrel gliding
© Ray Wilson
Cook's petrel in flight
Cook's petrel in flight
© Ray Wilson		Cook's petrel followed by black petrel
Cook's petrel followed by black petrel
© Ray Wilson