California gray whale calf (Eschritius robustus), half above half below, with tourists, San Ignacio Lagoon, Baja California Sur, Mexico, North America

Melon headed whales (Electra dolphin) . A melon headed whale half breaching. Eastern Caribbean

Sperm whale. (Physeter macrocephalus). A sperm whale half breaches onto its back. Gulf of California.

Sperm Whale, Physeter macrocephalus, half breaching in the Midriff region of the Gulf of California, Mexico