risso in A Sentence

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    The Aristeus Antennatus Risso 1810.

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    (Or squid, in this case, as that is the preferred fare of Risso's dolphins.).

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    However, in 1888, a Risso's dolphin that later became known as Pelorus Jack came on the scene.

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    (Risso's dolphins are known for not only commonly surfing in the bow waves of ships, but even those created by gray whales.).

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    You see, only 12 total Risso's dolphins have ever been confirmed to have been spotted in the area around the strait, though Risso's dolphins can be found worldwide around most major land masses.

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    The hippocampus of an elephant takes up about 0.7% of the central structures of the brain, comparable to 0.5% for humans and with 0.1% in Risso's dolphins and 0.05% in bottlenose dolphins.

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    Risso's dolphins are extremely intelligent and social animals, so, lacking those of his own kind to hang around with, when Jack wasn't sleeping or eating, he seemingly chose to pass his time by having fun with the numerous ships that traveled the strait.

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    Considering Risso's dolphins typically live between 20 to 40 years and Jack was at minimum in his mid-twenties when he disappeared, it is possible he died of natural causes, especially considering his appearance resembled that of an older dolphin towards the tail end of his time in the strait.

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