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Article

Development of beak polymorphism in the African seedcracker, Pyrenestes ostrinus.

Evolution & development - 1 Jan 2000

Clabaut Celine, Herrel Anthony, Sanger Thomas J, Smith Thomas B, Abzhanov Arhat

Abstract excerpt

The black-bellied African seedcracker, Pyrenestes ostrinus, exhibits a non-sex-related polymorphism in beak size that enables the small-, large-, and mega-billed morphs to utilize different trophic niches. The bill polymorphism between small- and large-billed individuals was previously shown to be under genetic control of a single autosomal locus with the allele for a large bill being dominant. African...

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PMID: 19878285
DOI: 10.1111/j.1525-142X.2009.00371.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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