Animals congregate in places where their basic needs can be met: havens from predators where competition for food is manageable and breeding opportunities are ..Animals congregate in places where their basic needs can be met: havens from predators where competition for food is manageable and breeding opportunities are abundant. Journey to the habitats of these one-of-a-kind animals and learn their survival stories, from nesting fairy penguins, to migrating caribou.详情
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