Yellow-haired Porcupine 
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obtain. While largely of nocturnal habits, yet they are 
quite frequently seen abroad during the day. They make 
their homes in holes among rocks, in hollow trees, or other 
cavities which they may find and fancy. 
They breed in the early summer, and two seems to be the 
usual number of young. 
Thanks to their defensive armor of quills, porcupines have 
FIG, 2 1. YELLOW-HAIRED PORCUPINE, Evethizon epixanthus 
E. R. Warren, Photo. 
but few enemies; in our State they are killed by mountain lions, 
and very possibly by coyotes and bobcats. It is probable that 
this is done only in winter when other food is scarce. I have 
