965,470 views
1 year ago
3,899,453 views
4 years ago
481,771 views
7,897,738 views
2 years ago
Show more
166,921 views
8,020
0
SciShow
7.9M subscribers
Tags
science
Hank
Green
education
learn
Bears Have Babies While They’re Hibernating
hibernation
bears
winter
torpor
super hibernator
brown bear
black bear
milk
pregnancy
pregnant
fat reserves
252 Comments