Small eyes, long and narrow lower jaw, large square head. One blowhole located at the left of the forehead. Ripple light-brown to blue-gray skin.
Capable of diving to enormous depths for long periods of time.
Sperm whales are divided into Northern and Southern hemisphere populations, and can be found in all oceans. Females and juveniles spend more time in temperate regions.
Roughly estimated, ~200,000
Males migrate to higher latitudes.
Social system/Group size
Found in pods. Groups of females with their young are common.
Entanglement in fishing gear, whaling, ship strike
Dominica Sperm Whale project: photo identification, acoustic recording, genetic testing
Sperm whales produce intense clicks, sometimes in a series. These sounds may be used for communication, or possibly echolocation.