We repeated this procedure for the mean mass of prey killed for each pack size category and for the most frequently
preyed upon prey item (based on prey species, sex and age) for each pack size category.
Similar trend was observed in the present feeding trial where both nymph and adult stages of aphids were
preyed by spiders (Rana et al., 2012).
The Japanese scops owl selected smaller and younger rodents and the Ural owl
preyed on larger and older individuals.
The Eurasian sparrowhawk primarily
preyed on smaller woodland birds, great tits, house sparrows, tits, finches, buntings, thrushes and starlings.
Similarly, within prey species, larger predators
preyed on larger individuals of a given species, but also exploited a wider selection of prey sizes than smaller moonsnails.
notata
preyed on neonate compared to third-instars or adult females (Table 2).