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Birds have to use almost all of their available calories on flying.

But flying is quite energy efficient as a method of getting from point A to point B. That’s why flying insects and birds have had such evolutionary success with that strategy.

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AngryCommieKender@lemmy.world ⁨1⁩ ⁨week⁩ ago
Is it though? They have to eat an absolute ton relative to their own mass. At least all the birds I’ve ever interacted with were constantly eating, even when they mostly didn’t bother flying. Chicken soccer is what I called feeding the chickens. No patience whatsoever.

My mother used to say that her sons eat like birds, a peck at a time, and twice our own body weight daily.

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- MonkeMischief@lemmy.today ⁨1⁩ ⁨week⁩ ago
  
  …something like 50% of our calories are going to our brains.
  
  Dang, I’ll have to remember this next time my ADHD pushes me to hyperfocus and I risk skipping meals again. O.O
  
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- exasperation@lemm.ee ⁨1⁩ ⁨week⁩ ago
  
  While we humans eat a lot, something like 50% of our calories are going to our brains.
  
  I don’t think that’s right.
  
  This article says that about 20% of an adult human male’s resting energy expenditure goes towards supporting the brain’s metabolism. Obviously for more active people, the higher denominator of total energy expenditure will mean an even lower percentage of energy being used for the human brain.
  
  Flying is energetically expensive to start doing, but pays off in efficiency once an animal moves a far enough distance. How many calories does a goose need to consume to fly 4000 km, and how does that compare to terrestrial species like deer or wolves?
  
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- YarHarSuperstar@lemmy.world ⁨1⁩ ⁨week⁩ ago
  
  My mother used to say that her sons eat like birds, a peck at a time, and twice our own body weight daily.
  
  Aw that’s cute lol
  
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