Birds shelter in nests, rock overhangs, trees, and dense shrubs to avoid the hottest hours of the day, while mammals like the kangaroo rat burrow underground.
鸟类在巢穴、岩石悬垂处、树丛以及茂密的灌木丛中寻找庇护，以躲避一天中最热的时候；而像更格卢鼠这样的哺乳动物则选择藏身于地下的洞穴中。
For the same reason, filter feeders, like clams and worms, burrow underground in most regions.
同样的道理，类似蛤和虫这样的滤食动物在大部分区域都埋在地下。
The black-bellied vole shuttles in and out of its underground burrow, ever alert to dangers outside.
黑腹绒鼠在地洞里进出穿梭，总是对外面的危险十分警觉。
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