There is no spiritual or symbolic meaning to the event. It only means that the female squirrel found a cozy place that she felt would be secure and safe where she could deliver and nurture her litter.
The balcony
The balcony
If you mean live birth, then "mammals" would be the best answer.
It mean that she has had a miscarriage before the full term.
No it does not mean that it is a mammal. It is a carnivorous fish.
He would like a peanut
Sometimes an animal is born white. It is an albino squirrel.
squirrel
Squirrel
It means that the animal will give birth to live young. Mammals are live-bearing. If an animal gives birth to eggs, it is not.
It means that it gives birth to its young, and doesn't lay eggs.
A mammal is an animal that gives birth to live young and suckles them on udders or breasts.