Portal:Cetaceans/Did you know/2
- ...when seagullscan often be seen darting in to pick up pieces of skin that become dislodged from the breaching whales. Presumably this is an easy source of food for seagulls.
- ...dolphins don’t sleep in the way humans do. Although we don’t know how they sleep, some scientists believe they sleep with half the brainasleep and half the brain awake, keeping them aware of danger.
- ...all dolphins have the remains of the pelvis, but it is reduced to two small bones at the rear of the animal.
- ...the ‘strapped-toothed whale’ is so called because in mature .
- ...some cetaceans can dive to depths of more than a kilometre and stay there for more than an hour.