Wild Things: Life as We Know It | Science | Smithsonian
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Wild Things: Life as We Know It

Geckos, tiny dinosaurs, cave man couture, and more

Looking For A Good Home

Western tanager
(Donald M. Jones / Minden Pictures)
In the early 1900s, UC Berkeley's Joseph Grinnell surveyed bird territories in California's Sierra Nevada. Biologists have now found that out of 53 bird species, 48 have moved. Why? Climate change, they say. Many of the birds' new ranges are farther north or higher in altitude, with temperatures or rainfall akin to where they lived before.

Learn more about the western tanager at the Encyclopedia of Life.

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