A squirrel's nest is called a drey
A squirrels nest is called either:
A squirrel's nest is called a drey.
Squirrel Den
lungs
squirrel
Den
DEN
A group of squirrels is called a dray or a scurry. Squirrels do not spend much time in large groups. Usually, just a family group of three or four will be together for any significant length of time.
They are called lairs, dens, burrows or earths.
So that they have somewhere to live and to raise their kits.
An otter's den is called a holt or a couch.
A group of flying squirrels is called a "Dray".
Tree-dwelling squirrels require trees to escape danger, to den, and for a source of food. Without them, they cannot survive. There are ground squirrels that don't depend on trees, but they are specially adapted for a ground-dwelling lifestyle.
den
It is called a lair, a den, a burrow or an earth.
A bird-watcher's den is called a HIDE.
A rabbit den is called a warren.
lungs
a den in a tree is called a nest.
yes there is a whole species called the Mexican Flying Squirrels