{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T08:49:40Z","timestamp":1782982180416,"version":"3.54.5"},"reference-count":66,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2012,4,30]],"date-time":"2012-04-30T00:00:00Z","timestamp":1335744000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Morphology"],"published-print":{"date-parts":[[2012,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The functioning of the vertebrate eye depends on its absolute size, which is presumably adapted to specific needs. Eye size variation in lidless and spectacled colubrid snakes was investigated, including 839 specimens belonging to 49 genera, 66 species and subspecies. Variations of adult eye diameters (EDs) in both absolute and relative terms between species were correlated with parameters reflecting behavioral ecology. In absolute terms, eye of arboreal species was larger than in terrestrial and semiaquatic species. For diurnal species, EDs of terrestrial species do not differ from semiaquatic species; for nocturnal species the ED of terrestrial species is larger than fossorial species but not different from semiaquatic species. In relative terms, ED did not differ significantly by habitat for diurnal species. Although the ED of terrestrial species is larger than fossorial species there were no differences for nocturnal species between semiaquatic and fossorial snakes. In contrast to other vertebrates studied to date, colubrid EDs in absolute and relative terms are larger in diurnal than in nocturnal species. These observations suggest that among colubrid snakes, eye size variation reflects adaptation to specific habitats, foraging strategies and daily activities, independently of phylogeny. J. Morphol. 2012. \u00a9 2012 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/jmor.20028","type":"journal-article","created":{"date-parts":[[2012,5,1]],"date-time":"2012-05-01T16:33:41Z","timestamp":1335890021000},"page":"883-893","source":"Crossref","is-referenced-by-count":38,"title":["Eye size variation reflects habitat and daily activity patterns in colubrid 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