Hibernation
What happens to animals' heartbeats during hibernation?
Lower heart rate to 2-10 beats per minute
What does torpor mean?
deep sleep
Why do bears hibernate?
Because in the winter it is hard to stay warm and hard to find food
What happens to animals' body temperatures during hibernation?
Lower to near freezing
How many degrees does a bear's body temperature drop during torpor?
10 degrees
Why do female bears wake up a month later than male bears?
They are taking care of baby bears
slowly
How long can bears sleep without eating or going to the bathroom?
100 days
What is the average size of a litter of black bear cubs?
2 to 3
Are hibernating animals alert or lethargic if they are woken up early?
lethargic
Are bears alert or lethargic if worken up early?
How many years do black bears live in the wild?
20 to 30
Name 2 true hibernators
frogs, snakes, turtles
Name 2 animals who enter torpor
bears, bats, mice, squirrels
Why is disturbing a sleeping bear dangerous?
They wake up fast and alert to danger. They also wake up hungry.