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RE: Up a tree with no feathers

I would like to add to roger's posting about needing insulation up a tree.
that is only true for animals that are significantly larger than the thickness
of a branch.  if you are small, you can hide behind a branch to stay warm.
Also, it becomes much less of a problem in a tropical or subtropical environ-
ment because heat loss is significantly less when the temp is high.  
certainly in temperate or desert climates where winds would be more likely
to be faster or temps cooler, the need for insulation when a moderately
sized animal is up a tree would be valid. 

Bonnie A.B. Blackwell,                          bonn@qcvaxa.acc.qc.edu
Dept of Geology,                                off: (718) 997-3332
Queens College, City University of New York,    fax: (718) 997-3299
Dept of Earth \& Environmental Sciences,        fax: (718) 997-3349
The Graduate Center, CUNY,                      fax: (718) 997-3513
Flushing, NY 11367-1597                         messages: (718) 997-3300