Chestnut-collared Longspur | BirdNote


The cheerful-voiced Chestnut-collared Longspur shares its northern prairie breeding vary with grazing cattle. Though heavy grazing can have adversarial results, breeding densities of longspurs leap by two, three, and even 10 instances when ranchers graze their cattle responsibly on native prairies. Two centuries in the past, the birds have been in all probability extra plentiful on prairies utilized by bison than on untouched stands of tall grass.

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Chestnut-collared Longspur, Cow Bird 

Written by Rick Wright
That is BirdNote.
[Chestnut-collared Longspur, ML 206404] 
The cheerful-voiced Chestnut-collared Longspur will get alongside nicely with the cattle that share its northern prairie breeding vary – for essentially the most half. 
[Domestic cattle, ML 55308]
However that relationship shouldn’t be all the time an amicable one. Cows will typically step on the longspur’s neatly woven nests within the grass, and there are information of grazing cattle nudging eggs and chicks out of the nests and consuming them. In a couple of instances, heavy grazing seems to have precipitated grownup longspurs to desert their efforts to breed for the season.
[Chestnut-collared Longspur, ML 206404] 
Nevertheless, if cows are managed correctly, they can assist longspurs persist. 2 hundred years in the past, the birds shared the prairies with bison, which saved the grasses brief sufficient for the birds to nest.  Right this moment, on the northern Nice Plains, longspurs’ breeding success charges have been proven to extend when ranchers fastidiously handle their cattle to keep away from overgrazing and habitat degradation.
And grassland birds want each little bit of assist they will get—even from cows.
[Chestnut-collared Longspur, ML 206404] 
For BirdNote, I’m Mary McCann.
Right this moment’s present dropped at you by the Bobolink Basis.
Animal sounds supplied by The Macaulay Library of Pure Sounds on the Cornell Lab of Ornithology, Ithaca, New York. Chestnut-collared Longspur, ML 206404, recorded by Bob McGuire. Home cattle, ML 55308, recorded by William H. Gunn.
BirdNote’s theme music was composed and performed by Nancy Rumbel and John Kessler.
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© 2020 BirdNote   September  2020/2022   Narrator: Mary McCann
ID #: CCLO-01-2020-09-28      CCLO-01


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