John Gunning:
Cook's Petrel (Pterodroma cooki).
John Gunning:
Cook's Petrel (Pterodroma cooki).
John Gunning:
Cook's Petrel (Pterodroma cookii).
John Gunning:
Cook's Petrel (Pterodroma cookii).
John Gunning:
Cook's Petrel (Pterodroma cookii).