Wiktionary英語版

出典：Wiktionary

brood patch

出典:『Wiktionary』 (2024/10/07 19:17 UTC 版)

名詞

brood patch (plural brood patches)

  1. A patch of featherless skin that is visible on the underside of birds during the nesting season, helping them to transfer heat to their eggs when incubating.
    Synonym: incubation patch
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ウィキペディア英語版

出典：Wikipedia

Brood patch

出典:『Wikipedia』 (2011/05/09 17:51 UTC 版)

英語による解説

ウィキペディア英語版からの引用
引用

A brood patch is a patch of featherless skin that is visible on the underside of birds during the nesting season. This patch of skin is well supplied with blood vessels at the surface making it possible for the birds to transfer heat to their eggs when incubating. In most species the feathers in the region are shed automatically but ducks and geese may pluck the feathers and use them to line the nest. The feathers of the region regrow soon after the eggs hatch in the case of precocial birds but may be delayed in those birds having altricial young.

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