Graduate Project
 

Feeding of golden-mantled ground squirrels by park visitors at Crater Lake National Park

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  • Interaction between the golden-mantled ground squirrel and park visitors at a highly visited portion of the Rim Village area of Crater Lake National Park was studied. Observations were made of the total number of visitors entering the area, age, sex, and group composition of visitors who fed the squirrels, type of food offered, how long visitors fed the squirrels, and whether the feeders were themselves eating or taking pictures of the squirrels. Approximately half of those visitors feeding squirrels were under the age of twenty. The effectiveness of signs in deterring visitor feeding was studied. A sign stressing the danger to humans of bubonic plague was twice as effective in deterring feeding as one emphasizing the welfare of the squirrel, and the latter sign was twice as effective in deterring feeding as having no sign at all.
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