Animals
Which animal sleeps with only one half of its brain?
Dolphin
Background
Dolphins sleep with only one half of their brain at a time. The other half stays awake and keeps one eye open. This way they keep breathing and watch for danger. Many seabirds use the same trick while flying.
More Animals questions
How many species of crocodiles exist in Africa?
See questionHow many eggs can a kingfisher lay at one time?
See questionHow many bones does a rat have in its body?
See questionWhich bird can fly backwards?
See questionHow many kilograms does the largest lobster ever caught weigh?
See questionWhere do Europe's only wild monkeys live?
See question