Critical Reasoning (CR) | Re: Boreal owls range over a much larger area than do other owls

Boreal owls range over a much larger area than do other owls of similar size.

Boreal Owls >> Other Owls of similar size – in terms of size ofarea

The reason for this behavior is that the small mammals on which owls feed are especially scarce in the forests where boreal owls live, and the relative scarcity of prey requires the owls to range more extensively to find sufficient food.

The explanation for the fact given in the first statement is that
1. Food
...

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