Tag Archives: pika

PIKA, COLLARED

 Under Construction May 2011 COLLARED PIKA Ochotona collaris GUARD HAIR Length: 30-50mm (ASM #1) Diameter Range: up to 55 microns (ASM #1) Medullary Index: 0.86 (ASM #1) Medulla: Compounded but with no pattern like rabbits and hares?  More like a zipper.  Medulla seems to be almost the entire width of the hair?  (ASM #1) Color:  […]