Baby squirrels are less likely to die if they're born early

Popular Science 

The early bird gets the worm, and the early squirrel gets the... home? It's not as quippy, but researchers at the University of Guelph found that squirrels born earlier in the year have better survival rates--probably because they have their pick of new real estate while their tardy competitors are still babes in the nest. "[I]f you are born before your neighbors, you can leave your nest first and find a vacant spot to store your food for the winter," David Fisher, a postdoc and lead author on on the paper, said in a statement. Fisher and his colleagues studied more than 2,600 red squirrels in Yukon, Canada. Between 1989 and 2015, they tagged the ears of newborn pups to track their survival, and measured their growth rates in the first month or so.

Popular Science

Jul-13-2017, 23:40:05 GMT

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  Country: North America > Canada > Yukon (0.40)
  Genre: Research Report > New Finding (0.88)

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