(2) Dissemination, storing, planting, or covering of vegetation by 

 mammals* 



C. On animals. 



(1) Capture and eating of prey — eggs, young, or adults of birds and 



reptiles (fig. 6); young or adults of mammals; of insects, fishes, 

 mollusks, crustaceans, and other groups (fig. 7). 



Figure 6. — Methods of feeding on prey 

 species may identify the predator. 

 Pheasant feathers sheared off by a 

 red fox. ; Thomas G. Scott, 1943. 

 Courtesy, Ecological Lionographs, 



ilgure 7. — Laboratory study of stomach 

 and feces contents is a means of deter- 

 mining food habits. 



(2) Scattering of parasites or associated species. 



(3) Removal of vegetation— which often profoundly affects the other members 



of the community through disturbing their food and shelter relations. 



15 



