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Posted by mikecoscia on November 10, 2002 at 17:30:28:
In Reply to: My crested sleeps in the substrate during the day... posted by kristin568 on November 10, 2002 at 11:28:59:
I think a crestie sleeping in the substrate, mostly has to do with an individualís preference, and where the most cover is. I use silk plants in all my cages; sometimes it bunches up closer to the bottom and in others it drapes over sticks higher up. In the cages where it bunches up on the bottom they either sleep on the ground under it, or on the side of the walls behind it. In the other cages were it is higher up, they sleep on branches that are covered. By those observations they seem to just be seeking out the thickest vegetation, or a spot were they can be seen least.
I know in the wild they are found under leaf litter quite often, although I donít see how this benefits them. Perhaps before man came to the island there were no natural predators with a good enough nose to hunt them out. A predator free ground might have been a safe haven compared to the predator filled (other rhacs, birds, snakes, etc) tress above. However today introduced species like fire ants, cats, dogs, and rats could easily hunt them out and find them on the ground. Although I am not sure how much of a toll introduced species take out on local populations.
Anyway I have no clue to how many predators crested geckos had before the introduction of new species. Im just throwing out some ideas about why they sometimes prefer to sleep the on the ground..=). Anybody else have any interesting thoughts? =)