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Brood patch

A brood patch, also known as an incubation patch,[1] is a patch of featherless skin on the underside of birds during the nesting season. Feathers act as inherent insulators and prevent efficient incubation, which brood patches are the solution to. This patch of skin is well supplied with blood vessels at the surface, enabling heat transfer to the eggs when incubating.[2][3] In most species, the feathers in the region shed automatically, but ducks and geese may pluck and use their feathers to line the nest. Feathers regrow sooner after hatching in precocial birds than for those that have altricial young.[3]

Brood patch of a sand martin

Upon settling on a nest, birds will shift in a characteristic side to side manner to ensure full contact of the brood patch with eggs or young.[3]

The positions of brood patches can vary. Many have a single brood patch in the middle of the belly, while some shorebirds have one patch on each side of the belly. Gulls and Galliformes may have three brood patches. Pelicans, penguins, boobies, and gannets do not develop brood patches but cradle the eggs on their feet.[3] Brood parasitic cuckoos do not develop brood patches.[4] In species where both parents incubate, brood patches may develop in both sexes.[3]

See also edit

References edit

  1. ^ "GENERAL BIRD & NEST INFO, Words About Birds, NestWatch, Cornell Lab of Ornithology". nestwatch.org. Retrieved 2024-02-01.
  2. ^ Turner, J. Scott (1997). (PDF). Physiological Zoology. 70 (4): 470–80. doi:10.1086/515854. PMID 9237308. S2CID 26584982. Archived from the original (PDF) on 2022-10-20. Retrieved 2020-07-23 – via EBSCO.
  3. ^ a b c d e Ehrlich, Paul (1988). "Brood Patches". web.stanford.edu. from the original on 2015-05-12. Retrieved 2020-08-03.
  4. ^ Payne, R. B. 2005. The Cuckoos. Oxford University Press. p. 128.

External links edit

  • Brood patches

brood, patch, brood, patch, also, known, incubation, patch, patch, featherless, skin, underside, birds, during, nesting, season, feathers, inherent, insulators, prevent, efficient, incubation, which, brood, patches, solution, this, patch, skin, well, supplied,. A brood patch also known as an incubation patch 1 is a patch of featherless skin on the underside of birds during the nesting season Feathers act as inherent insulators and prevent efficient incubation which brood patches are the solution to This patch of skin is well supplied with blood vessels at the surface enabling heat transfer to the eggs when incubating 2 3 In most species the feathers in the region shed automatically but ducks and geese may pluck and use their feathers to line the nest Feathers regrow sooner after hatching in precocial birds than for those that have altricial young 3 Brood patch of a sand martinUpon settling on a nest birds will shift in a characteristic side to side manner to ensure full contact of the brood patch with eggs or young 3 The positions of brood patches can vary Many have a single brood patch in the middle of the belly while some shorebirds have one patch on each side of the belly Gulls and Galliformes may have three brood patches Pelicans penguins boobies and gannets do not develop brood patches but cradle the eggs on their feet 3 Brood parasitic cuckoos do not develop brood patches 4 In species where both parents incubate brood patches may develop in both sexes 3 See also editBroodinessReferences edit GENERAL BIRD amp NEST INFO Words About Birds NestWatch Cornell Lab of Ornithology nestwatch org Retrieved 2024 02 01 Turner J Scott 1997 On the Thermal Capacity of a Bird s Egg Warmed by a Brood Patch PDF Physiological Zoology 70 4 470 80 doi 10 1086 515854 PMID 9237308 S2CID 26584982 Archived from the original PDF on 2022 10 20 Retrieved 2020 07 23 via EBSCO a b c d e Ehrlich Paul 1988 Brood Patches web stanford edu Archived from the original on 2015 05 12 Retrieved 2020 08 03 Payne R B 2005 The Cuckoos Oxford University Press p 128 External links editBrood patches Incubation energetics nbsp This bird related article is a stub You can help Wikipedia by expanding it vte nbsp This vertebrate anatomy related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Brood patch amp oldid 1201887294, wikipedia, wiki, book, books, library,

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