הבא

The Secret World of Animal Sleep: Dozing Dolphins

1,133 צפיות· 12/22/23
Smithsonian Channel
Smithsonian Channel
1,606 מנויים
1,606
ב 探索

We know marine mammals like dolphins need air to breathe, but what happens when they rest? The solution is a fascinating form of half-sleep that allows them to emerge for air without waking...

להראות יותר

 0 הערות sort   מיין לפי


הבא