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Does the interaction between glucocorticoids and insulin-like growth factor 1 predict nestling fitness in a wild passerine?

General and comparative endocrinology - 1 Jan 2016

Lodjak Jaanis, Tilgar Vallo, Mägi Marko

Abstract excerpt

The crucial question in evolutionary ecology is to find out how physiological traits have coevolved so animals fit their stochastic environments. The plasticity of these different physiological mechanisms is largely mediated by hormones, like glucocorticoids and insulin-like growth factor 1 (IGF-1). Brood size manipulation with nestlings of free-living great tits (Parus major) was carried out to see the way in...

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PMID: 26519758
DOI: 10.1016/j.ygcen.2015.10.016

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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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