I have heard the contrary to the answers given. The White's tree frog is one of few species in the wild that is communal meaning they hangout in groups. They don't care for one another like humans but these frogs do actually enjoy the company from other tree frogs. I have seen this information in various places of White's tree frogs being communal. I do believe there are benefits to having sexed pairs of species because it can bring out different behavior for some amphibians. I notice with my American Toads they seem to enjoy having the opposite sex in their habitat. I can say from experience two male toads don't get along and show stressful behavior. Two females I'm learning do not have problems like two males. Having a female and male together could cause certain frogs to call more and feel more dominant. Some frogs call in captivity yes but when they have a female in their setup it's their nature to want to show they are strong and capable of breeding so it gives them more reason to preform more as a dominant male. This is more pond frogs and some tree frogs. Southern species might not need to hibernate so having a male and female could potentially mate like green frogs. If you get these frogs from your area if they breed within a time limit would be able to be taken to the wild.

Amphibians are mostly solitary creatures yes but they do come across one another in the wild and some species will more then others so to have a sexed pair wouldn't really be harmful and can lead to benefits depending on your needs.

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