What factors might be responsible for the aggregation of American crows in winter (see fig. 9.15)? 11eb5b2e_b1de_2166_a06e_8998a134f44b_SM1235_00 Figure 9.15 ( a ) Winter distribution of the American crow, Corvus brachyrynchos. ( b ) Winter distribution of the fish crow, C. ossifragus (data from Root 1988).

Ecology 5th Edition by Manuel Molles

Edition 5ISBN: 978-0070171688

Ecology 5th Edition by Manuel Molles

Edition 5ISBN: 978-0070171688

Exercise 18

What factors might be responsible for the aggregation of American crows in winter (see fig. 9.15)?

Figure 9.15 ( a ) Winter distribution of the American crow, Corvus brachyrynchos. ( b ) Winter distribution of the fish crow, C. ossifragus (data from Root 1988).

Explanation

Verified

American crows have been shown to exhibi...