Winter Anoles: Thermoregulating in the Cold

Braving the elements in Charleson.

We all think of anoles as warm weather, tropical beasties, but of course, that’s not entirely the case. Many live at quite high elevations and are active at cool temperatures. For example, this past summer we saw A. orcesi active (as active as it gets) when temperatures were 20 C and below.

In addition, anoles get relatively far north into temperate areas of the United States. One might think that they’d just go to sleep in the winter and not come back out til the spring warmth, but that’s not the case. Faithful contributor Marc Tollis discusses one recent observation over on his own blog, Anolis Tollis.

Jonathan Losos
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3 Comments

  1. Joe Burgess

    I was in the Blue Mountains this past week and saw A.opalinus (and reconditus) active at 15C and while raining! Was surprised to see opalinus living at that height. I thought only reconditus was there.

  2. Jonathan Losos

    I’ve seen opalinus up there, too. Sometimes they have very blue tails. Did the ones you saw there have that?

    • Joe Burgess

      As a matter of fact one of the females I saw did.
      Most where very dark, trying to obtain some heat.

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