Last Updated
：2025/12/02
brood patch
Noun
Japanese Meaning
繁殖期に、孵卵中に鳥の卵に熱を伝えるため、腹面に見られる羽毛のない皮膚の部分。 / 抱卵斑とも呼ばれ、鳥が巣作り中に卵を暖めるために使用する薄皮の領域。
（ plural ）
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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.
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brood patch
The mother tern's brood patch was warm against the eggs as she shifted to cover them.
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The mother tern's brood patch was warm against the eggs as she shifted to cover them.
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