ANIMAL BEHAVIOR
INTRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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eating plants and insects
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building nests in trees
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choosing a different mate each spring
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dropping nuts in front of cars
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Detailed explanation-1: -Behavior. American Crows are highly social birds, more often seen in groups than alone. In addition to roosting and foraging in numbers, crows often stay together in year-round family groups that consist of the breeding pair and offspring from the past two years. The whole family cooperates to raise young.
Detailed explanation-2: -1997). In Japan, Carrion Crows have been frequently observed to use automobiles as nutcrackers in the city of Sendai, Miyagi Prefecture, northern Honshu (the largest main island) (Nihei, 1995).
Detailed explanation-3: -In a Japanese city, carrion crows have discovered how to eat nuts that they usually find too hard to tackle. One method is to drop the nuts from height on to a hard road in the hope of cracking it. Some nuts are particularly tough, so the crows drop the nuts among the traffic.