It'll be part of the time-spent-eating calculation, I expect.
Edit: I think I found the direct quote among a trio from a Goodreads review, which gives more context [0]:
> To get a rough idea of whether the flying squirrel’s nest indeed affords much insulation, I heated a potato to simulate the body of a squirrel and examined its cooling rates.
> I do not know how many seeds a chipmunk usually packs into each of its two pouches—I easily inserted sixty black sunflower seeds through the mouth into just one pouch of a roadkill.
> Some years ago, I took on the brave, or foolish, task of measuring hornets’ body temperatures, grabbing and stabbing them with an electronic thermometer as they left their nests.
It'll be part of the time-spent-eating calculation, I expect.
Edit: I think I found the direct quote among a trio from a Goodreads review, which gives more context [0]:
> To get a rough idea of whether the flying squirrel’s nest indeed affords much insulation, I heated a potato to simulate the body of a squirrel and examined its cooling rates.
> I do not know how many seeds a chipmunk usually packs into each of its two pouches—I easily inserted sixty black sunflower seeds through the mouth into just one pouch of a roadkill.
> Some years ago, I took on the brave, or foolish, task of measuring hornets’ body temperatures, grabbing and stabbing them with an electronic thermometer as they left their nests.
[0] https://www.goodreads.com/book/show/19954417