Dolphins sleep with only half of their brain and with one eye open so they can watch for predators and other threats.

Dolphins sleep with only half of their brain and with one eye open so they can watch for predators and other threats.

pin 576
The variety of ways animals sleep is staggering, and researchers are only beginning to make a dent in understanding the inner workings and purpose of sleep among different species.

The variety of ways animals sleep is staggering, and researchers are only beginning to make a dent in understanding the inner workings and purpose of sleep among different species.

pin 73
speech 1
free printables, DIY crafts and resources about dolphins for an ocean theme! #preschool
pin 640
speech 1
Pinterest • The world’s catalogue of ideas
Search