The shell pattern ACTS like camouflage in its natural home range.

壳模式就像伪装的自然家庭范围。

When the animal is returned to its home range, its activities can be followed in great detail.

当动物被放回故居以后，它的活动就被极详尽地侦测出来了。

They need big grassy estuaries, subalpine habitat, and an enormous home range, which those islands don't offer.

它们需要找长满青草的大河口地区和半山坡作为栖息地，而且还要有比较大的活动区域才行，而这些条件是那些小岛都不具备的。

They were then herded to a central place where cowboys from each ranch cut out its beasts and drove them back to the home range.

然后所有的牛被聚在一起，从各个牧场来的牛仔们分别将他们的牛赶回自己的地盘。

The bird is monogamous, the female answers for nest building, hatching and brooding, the male answers for guarding home range and alerting.

该鸟为一夫一妻制，雌鸟担任筑巢、孵卵、育雏任务，雄鸟主要担任保卫领域及警戒任务。