31 Jul '16, 12pm

The Risso #dolphin is a wide ranging species, but people rarely catch a glimpse

Risso’s Dolphins feed primarily on squid of all sizes (including the Humboldt Squid ) and are therefore excellent divers, spending much of their feeding time at depth, hunting for their preferred prey. Scientists believe that much of the white scarring on the heads of these animals may be a result of aggressive interactions with large-bodied squids. Risso’s Dolphins feed mostly at night, a probable result of the migration of their preferred prey to shallower waters in the dark. Scarring is also a likely result of interactions among adult males and between males and females. This species, like all mammals, reproduces via internal fertilization and gives birth to live young, which nurse from their mothers for at least several months. Though Risso’s Dolphins are offered some or complete legal protection throughout much of their range, they are still hunted for food and for fe...

Full article: http://oceana.org/marine-life/marine-mammals/risso%E2%80%...

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