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Article

Non-random fitness variation in two populations of Darwin's finches.

Proceedings. Biological sciences - 22 Jan 2000

Grant P R, Grant B R

Abstract excerpt

Darwinian fitness of an individual is measured by the number of recruits it contributes to the next generation. We studied variation in fitness among members of three cohorts of two species of Darwin's finches living on the Galipagos island of Daphne Major: the medium ground finch (Geospiza fortis) and cactus finch (Geospiza scandens). Individuals of both species live for up to 16 years. Variation in fitness was...

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Identifiers

PMID: 10687817
DOI: 10.1098/rspb.2000.0977
PMCID: PMC1690511

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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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