I’m talking about the ones that stay in north during winter, not migratory birds. I’ve noticed that birds like sparrows or tits (yes yes i know funny name) look more rotund in fall, but is that actually fatness or just them fluffing up?

  • Uncle
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    6 months ago

    im a bit of a bird nerd here, and while they do put pack a lot in, its not really fat as you and i would think of it. 90% of what you see is just floof to keep warm.

    my b&g macaw will put on a little weight in fall even tho hes a tropical chicken. altho admitly that could just be me feeding him differently/different times, cause of the lack of light through the winter.

  • ValiantDust
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    206 months ago

    Mostly puffing up their feathers. On warm days they are suddenly smaller again.

    • bacon_saber
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      136 months ago

      I believe this is scientifically referred to as temporary borbitude.