|Green anole (Anolis carolinensis)|
ca. 390 spp., see text
Several species of Anolis are occasionally ascribed to the genus Norops, but the validity of the Norops genus is not widely accepted. The green anole (Anolis carolinensis) has recently become the first reptile to have its complete genome sequenced.
Closely related, recently diverged anole lizards exhibited more divergence in thermal biology than in morphology. These anole lizards are thought to have the same structural niche and have similarities in their size and shape. However they inhabited different climatic niches in which there was variability in temperature and openness of the environment. This suggests that thermal physiology is more associated with recently diverged anole lizards.  
Anolis lizards are some of the best examples of both adaptive radiation and convergent evolution. Populations of lizards on isolated islands diverge to occupy separate ecological niches, mostly in terms of the location within the vegetation where they forage (such as in the crown of trees vs. the trunk vs. underlying shrubs). These divergences in habitat are accompanied by morphological changes primarily related to moving on the substrate diameter they most frequently encounter, with twig ecomorphs having short limbs, while trunk ecomorphs have long limbs.
In addition, these patterns repeat on numerous islands, with animals in similar habitats converging on similar body forms repeatedly. This demonstrates adaptive radiation can actually be predictable based on habitat encountered, and experimental introductions onto formerly lizard-free islands have proven Anolis evolution can be predicted.
The anolis lizards that are less susceptible to predation are those that have a dewlap that has both the scales and the skin in between match the expected pale gray or white like color of its ventral surface.
- Kristen A. Nicholson; Brian I. Crother; Craig Guyer; Jay M. Savage (11 September 2012). "It is time for a new clasification of anoles (Squamata:Dactyloidae)" (PDF). Zootaxa. Magnolia Press. p. 38. Retrieved 19 May 2013.
- RICHARD E. GLOR, JONATHAN B. LOSOS and ALLAN LARSON. Out of Cuba: overwater dispersal and speciation among lizards in the Anolis carolinensis subgroup.Molecular Ecology (2005) 14, 2419–2432. doi: 10.1111/j.1365-294X.2005.02550.x
- Anolis Genome Sequencing Project, Broad Institute
- Losos, J. B. 2009. Lizards in an evolutionary tree: ecology and adaptive radiation of anoles. University of California Press, Berkeley, CA.
- Hertz P.E., Arima Y., Harrison A., Huey R.B., Losos J.B. & Glor R.E. Asynchronous evolution of physiology and morphology in Anolis lizards. Org. Evol. 2012;67(7): 2101-2113.
- Losos, J.B. (2007). Detective work in the West Indies: integrating historical and experimental approaches to study island lizard evolution. BioScience 57:585-597.
- Losos, J. B., Jackman, T. R., Larson, A., de Queiroz, K., & Rodriguez-Schettino, L. (1998) Contingency and determinism in replicated adaptive radiations of island lizards. Science, 279, 2115-2118.
- Calsbeek, R. (2008). Experimental evidence that competition and habitat use shape the individual fitness surface. Journal of Evolutionary Biology 22:97-108.
- Calsbeek, R., W. Buermann, and T.B. Smith. (2009). Parallel shifts in ecology and natural selection in an island lizard. BMC Evolutionary Biology 9:3.
- Calsbeek, R., and R.M. Cox. (2010). Experimentally assessing the relative importance of predation and competition as agents of selection. Nature 465:613-616.
- Calsbeek, R., and T.B. Smith. (2007). Probing the adaptive landscape using experimental islands: density-dependent natural selection on lizard body size. Evolution 61:1052-1061.
- Fitch H.S. & Hillis D.M. 1984. The anolis dewlap: Interspecific variability and morphological associations with habitat. Copeia, 1984(2), 315-323.
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- Losos, Jonathan B. (2011). Lizards in an evolutionary tree: ecology and adaptive radiation of anoles. University of California Press. ISBN 9780520269842.