1. Lighting and enviroment can affect the appearence of most frogs, and Phyllomedusa hypochondrialis is no exception. Also the brown tiger-legged monkey in the Meet the Frog article is my 10 year old frog. Picture was taken in March of 2007.

2. Doesn't matter that much as long as it is safe.

3. Well, this was pointed at Tom so I will let him answer.