Although the Ural owls (355-580 g) are larger than the Japanese scops owls (135-200 g), both preyed
upon the same small rodent species (Table 2).
On the other hand hawks preyed
on rodents, fish, bat, birds, reptiles and amphibians.
carpenteri, which was derived from Abbott ) and the size ranges of naticids that preyed
Other rodent species, such as the House Mouse (Mus musculus) and Dusky-footed Woodrat (Neotoma fuscipes) were preyed
upon only occassionally (Table 2).
Both in our coastal area and pre-Andean areas, Harris' hawks preyed
mainly upon fence degu rats (Octodon degus; 184 g), Bennett's chinchilla rat (Abrocoma bennetti; 219 g) and European rabbits (1,300 g).
To examine the effect of study extent on estimates of tiger diet, we compared the percent biomass contribution and the number of species preyed
upon from McDougal and Sunquist to their aggregate estimates.
The differences in the way thrips were preyed
upon may suggest that the salticids can flexibly choose certain elements out of the available repertoire to maximize hunting success.