Francis Lankester: Humpback tail, Newfoundland
Francis Lankester: Dark-tailed humpback
Francis Lankester: White tail of humpback
Francis Lankester: Humpback named 'Pterodactyl'
Francis Lankester: Slapping fin on sea surface
Francis Lankester: 'Pterodactyl' again
Francis Lankester: Richard Sear, Director of the Mingan Islands Ceteacean research Project
Francis Lankester: Two Finbacks, Newfoundland
Francis Lankester: Humback, Newfoundland
Francis Lankester: Two humpbacks, Newfoundland
Francis Lankester: Humpback going under, Newfoundland
Francis Lankester: Pilot Whales. Tenerife
Francis Lankester: Pilot Whales, Tenerife
Francis Lankester: Pilot Whale
Francis Lankester: Pilot whale, Tenerife
Francis Lankester: Fin of Pilot Whale
Francis Lankester: Dolphins, Tenerife
Francis Lankester: Dolphin, Tenerife
Francis Lankester: Dolphin 'flying,' Tenerife
Francis Lankester: Dolphin spinning, Tenerife