Why does the whole hair shaft of weasels turn white for winter?

Subject: Why does the whole hair shaft of weasels turn white for winter?

Date: Tue Sep 21 16:47:24 2004
Posted by Ann
Grade level: teacher/prof School: gore range natural science school
City: Vail State/Province: CO Country: USA
Area of science: Zoology
ID: 1095803244.Zo

Message:


I understand animals turn white for camouflage but why do the weasel's whole 
hair shaft turn white for a complete molt and the snowshoe hare's only turns 
partially white with a grey undercoat?  Why do they not both have a complete 
molt?

Re: Why does the whole hair shaft of weasels turn white for winter?

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