I’ve often heard it said to take chameleons outside when you want to mate them if they show no interest in mating inside and the female is behaving in a receptive way…look at this explanation of why it might be true…
”Chameleon vision extends into the ultraviolet, which some animals, like humans, cannot see’.…”females could miss out on essential aspects of the males’ vivid serenades if the lighting wasn't sufficiently natural and the UV shades were lost.”…
https://journals.biologists.com/jeb...olour-is-key-when-female-chameleons-choose-Mr
”Chameleon vision extends into the ultraviolet, which some animals, like humans, cannot see’.…”females could miss out on essential aspects of the males’ vivid serenades if the lighting wasn't sufficiently natural and the UV shades were lost.”…
https://journals.biologists.com/jeb...olour-is-key-when-female-chameleons-choose-Mr