John Cancalosi / Red billed tropicbird flying {Phaethon aethereus} West Indies

Tom Vezo / Magnificant frigatebird, female flying {Fregeta magnificens} Sonora, Mexico

Peter Scoones / Common cormorant {Phalacrocorax carbo} Malgas Island South Africa

Mike Read / Yellow legged gull juvenile flying {Larus cachinnans} Menorca Balearic Isles Mahon

Sirachai Arunrugstichai / Shark ray (Rhina ancylostoma) handled by a team of aquatic veterinarians, where the teeth for crushing shells of mollusks and crustaceans can be clearly seen, Rayong Province, Thailand. Critically end...

Sirachai Arunrugstichai / Dorsal fin of a Bottlenose wedgefish (Rhynchobatus australiae) measured by a researcher at a fish landing site, Ranong Province, Thailand. Despite being scientifically classified as rays, the fins f...

Sirachai Arunrugstichai / Shark rays (Rhina ancylostoma) two juveniles, displayed on the floor for auction at a fish landing site in Ranong Province, Thailand, April 2015. Critically endangered species.