March 35 Citellus idahoensis - 4 mi S. Fort. 20. Some we stopped because we saw one of these squirrels. When we wound around a bit we found the place fairly alive with them. Their high-pitched whistling squeaks could be heard easily yet if they were in ten yds. of god sometimes it was almost impossible to locate them. Their small burrows were everywhere & occasionally as many as 4 were semi-circling a drift mound at base of Artemisia bush. Their notes averaged 6 in no. 5 all on the same pitch with equal in intensity. Watching one individual for about 40 minutes in or on a brush pile 2 ft. high revealed the following: It was a female (mammas obvious); she able to knit picket-pin fashion when her hind feet were holding only to a twig 4