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Article

Variations in cone photoreceptor abundance and the visual ecology of birds.

Journal of comparative physiology. A, Sensory, neural, and behavioral physiology - 1 Nov 2001

Hart N S

Abstract excerpt

The relative abundance and topographical distribution of retinal cone photoreceptors was measured in 19 bird species to identify possible correlations between photoreceptor complement and visual ecology. In contrast to previous studies, all five types of cone photoreceptor were distinguished, using bright field and epifluorescent light microscopy, in four retinal quadrants. Land birds tended to show either...

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PMID: 11778831
DOI: 10.1007/s00359-001-0240-3

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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