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。

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Once the rover reaches its target, the rock abrasion tool, or Rat, will be used to expose fresh rock for analysis.

BBC: Revving up the rovers

Before leaving Adirondack, Spirit took images and collected miniature thermal emission spectrometer (Mini-Tes) data from the hole it ground with its rock abrasion tool (Rat).

BBC: NEWS | Science/Nature | Rover sets Mars distance record