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Migration and Fat
Manage episode 433409773 series 2381
If long migratory flights are amazing, what goes on inside a bird’s body during those flights seems absolutely astonishing. To store fat, birds may eat three times as much and forage over many more hours than normal, as they prepare for long-distance travel. Blackpoll Warblers double their weight in the lead-up to migration. Wilson’s Phalaropes may put on so much fat that they actually have to lose weight to get their fat-loaded bodies into the air. Some birds may need a long running start to take off!
More info and transcript at BirdNote.org.
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2561 حلقات
Manage episode 433409773 series 2381
If long migratory flights are amazing, what goes on inside a bird’s body during those flights seems absolutely astonishing. To store fat, birds may eat three times as much and forage over many more hours than normal, as they prepare for long-distance travel. Blackpoll Warblers double their weight in the lead-up to migration. Wilson’s Phalaropes may put on so much fat that they actually have to lose weight to get their fat-loaded bodies into the air. Some birds may need a long running start to take off!
More info and transcript at BirdNote.org.
Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks.
BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.
2561 حلقات
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