I'm conducting research for a science project on What
causes animal to shed their hair, fur, etc. I've read your article on
Molding in Reptiles and Amphibians and it gave me the basics on molting
but not the biological make up and the cause. Can you help. Thank you.
I don't know anything about the anatomy and mechanisms, but mammals shed
hair seasonally, they grow thicker fur for winter and then shed in spring
for a lighter summer coat, and repeat the process in the fall to grow a
thicker winter coat.
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Update: June 2012