Black Bear Hibernation
By: Kayla Riley
Preparation for hibernation
• Gain as much weight as
possible
• Up 18 kilograms per
week
• Bears gather leaves,
grass, and twigs to
make insulative beds to
curl up on
Heart Rate
Hibernating Heart Rate
is 8-40 BPM
Hibernation Begins
During Hibernation
footpads peel off
while they sleep,
making room for
new tissue
consume 25-40%
of their body
weight
A special hormone, Leptin is
released into their systems,
to suppress appetite
Threats
Wolves
Dogs
Flooding
Bears that aren't
hibernating
other
animals
Humans
Such as
Starvation?
• Many would think that starvation is an issue
• Black bears do know how to keep themselves
fed and healthy
• They may loose an excessive amount of
weight during hibernation
• The cubs are the ones who would need to
worry about starvation
Bibliography
• http://www.pbs.org/wgbh/nova/satoyama/hibernation
.html
• http://www.bearwithus.org/learn4.htm
• http://en.wikipedia.org/wiki/American_Black_Bear
• http://www.blackbearkingdom.net/black-bearhibernation.html
Hope you enjoyed 