Habitat use and ecological interactions of an introduced and a native species of Anolis lizard on Grand Cayman, with a review of the outcomes of anole introductions

Jonathan B. Losos, Jane C Marks, Thomas W. Schoener

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

Since its introduction ten years ago, Anolis sagrei has spread over much of Grand Cayman and is now more common in some habitats than the native anole, A. conspersus. Interspecific differences in body size, perch height, and microclimatic preference may have facilitated the colonization. Nonetheless, competition may be occurring between the species; comparisons with studies of habitat use prior to the arrival of A. sagrei indicate that in open habitats, where A. sagrei is now abundant, A. conspersus perches higher, but in closed habitats, where A. sagrei is absent, no change in perch height is evident. Review of data concerning 23 Anolis introductions indicates that the presence or absence of an ecologically similar native species may be an important determinant of colonization success or failure.

Original languageEnglish (US)
Pages (from-to)525-532
Number of pages8
JournalOecologia
Volume95
Issue number4
DOIs
StatePublished - Oct 1993
Externally publishedYes

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Cayman Islands
Anolis
habitat use
lizard
native species
lizards
indigenous species
perch
habitat
colonization
habitats
body size

Keywords

  • Community construction
  • Competition
  • Invasion
  • Islands
  • Lizards

ASJC Scopus subject areas

  • Ecology

Cite this

Habitat use and ecological interactions of an introduced and a native species of Anolis lizard on Grand Cayman, with a review of the outcomes of anole introductions. / Losos, Jonathan B.; Marks, Jane C; Schoener, Thomas W.

In: Oecologia, Vol. 95, No. 4, 10.1993, p. 525-532.

Research output: Contribution to journalArticle

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