
Ecology 6th Edition by Manuel Molles
النسخة 6الرقم المعياري الدولي: 978-0073532493
Ecology 6th Edition by Manuel Molles
النسخة 6الرقم المعياري الدولي: 978-0073532493 تمرين 20
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).
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).
التوضيح
American crows have been shown to exhibi...
Ecology 6th Edition by Manuel Molles
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