TIL that a single Canada Goose has between 20 and 25 thousand feathers. Just a fraction of an inch of this feather insulation can keep a bird's body temperature at 104 degrees, even in freezing weather.


TIL that a single Canada Goose has between 20 and 25 thousand feathers. Just a fraction of an inch of this feather insulation can keep a bird's body temperature at 104 degrees, even in freezing weather. https://www.birdnote.org/show/how-feathers-insulate speckz January 30, 2019 at 09:57AM

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