• dejected_warp_core@lemmy.world
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    9 months ago

    Arctic deserts are also a thing (e.g. Iceland). The similarities tell the whole story:

    • Poor access to liquid water
    • Need to insulate body from temperature extremes, wind
    • Food sources are sporadically available at best
    • Need to minimize contact with ground or insulate feet

    This is not to suggest that polar bears are similarly adapted to the Sahara. Rather, it’s not a huge shift, but it’s still a change.

    • Swedneck
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      9 months ago

      in a similar vein rainforests do not have to be tropical, there are several temperate rainforests in europe of which the southwestern norwegian coast is apparently one