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Article

Phenotypic flexibility in basal metabolic rate is associated with rainfall variability among populations of rufous-collared sparrow.

Zoology (Jena, Germany) - 1 Apr 2012

Maldonado Karin, Bozinovic Francisco, Cavieres Grisel, Fuentes Carolina A, Cortés Arturo, Sabat Pablo

Abstract excerpt

Phenotypic flexibility in metabolic rates allows organisms to reversibly adjust their energy flow to meet challenges imposed by a variable environment. In turn, the food habits hypothesis (FHH) predicts that species or populations adjust their basal metabolic rate (BMR) according to the diet attributes such as food abundance or predictability. Desert ecosystems represent a temporally heterogeneous environment...

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PMID: 22405653
DOI: 10.1016/j.zool.2011.09.005

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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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