The source for the Chamaeleo calyptratus natural history and husbandry that I present is based on my understanding of what Petr reports. I make great efforts to give the best information available at the time and the care requirements I used at the time of this video were taken from a care sheet I did with Petr. I consider him the best source of C. calyptratus natural history available and will adjust what I say to match what he says about natural conditions. I have no experience in Yemen and I could find only two others in the chameleon world that did. So, in-person reports from the field are very sparse.well I do not see here a big contradiction, i just present facts...
C calyptratus lives far N of equator and lives predominantly between 2000 and 2500m all, while T. jackson ii lives on the equator and at heights of approx 1400-1850 m a.s.l. so, who is more montane??? The low temps reach much lower levels than tax are ever exposed to and the wintertime is substantially colder ijh Yemen than any of the all out stable climate on equator
I believe the reason why there is so much discrepancy in C. calyptratus caresheets is that
1) there has not been much travel to Yemen due to the constant civil war and all of our thoughts of Yemen are hot and harsh. So that is what we would shoot for (hot, but not so much harsh)
2) Most care requirements were produced with the mindset that bigger bodies were better. As breeders produced C. calyptratus ad nauseum there was not the concept that bigger would mean unhealthy and shorter lives. So we are coming off of some past baggage of deep seeded assumptions which take time to uproot.
So now we are experimenting with lower temperatures and less food. Although I believe in this as much as Petr does, you will see the caresheets I produce trailing his as I have a more cautious approach and am concerned that I do not know where the line is between just enough and too little. This is a personal choice and I acknowledge Petr will be ahead of me on this even though I consider him the best source of C. calyptratus information. And that is not to say I do not have confidence in him or what he says. I have to be able to personally feel confident not only in the information itself, but in the ability for the general public to execute according to my directions. We all have a responsibility to advise to our confidence level and not beyond. He is one of a number of people who I am in contact with to figure out a reliable guideline for how much to energize the chameleon (ie. heat and food).
The generally accepted husbandry of C. calyptratus is in transition and I hope the caresheets in the next two years will be able to be ones that produce fit chameleons with females that produce reasonable clutch sizes only when fertilized.
Bill
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