Brood patch

Brood patch

young.

The positions of brood patches can vary with many having 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, boobies and gannets do not develop brood patches, but instead cradle the eggs on their feet when incubating. Brood parasitic cuckoos do not develop brood patches. [Payne, R. B. 2005. The Cuckoos. Oxford University Press.] In species where both parents incubate, brood patches may develop in both sexes.

Notes

External links

* [http://www.stanford.edu/group/stanfordbirds/text/essays/Brood_Patches.html Brood patches]
* [http://www.esf.edu/efb/turner/incubation%20energetics.html Incubation energetics]


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