Baits and Baiting Techniques for Control of Belding's Ground Squirrels

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Abstract
Belding''s ground squirrels (Spermophilus beldingi) consumed significantly different amounts of 12 bait materials tested for preference during Feb.-July 1975. More of the succulent baits than grain baits were consumed during the first 2 mo. after ground squirrels emerged from hibernation. Oat groats were consumed in significantly greater quantities than other grain baits. Consumption of crimped oats (commonly used in commercially prepared baits) was more variable than for any other bait. Amounts of bait applied in a single application had more effect than placement of bait on proportions of ground squirrels consuming oat groats with Rhodamine B added as a marker dye. Broadcasting bait was the most economical means of application.

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