Many keepers have that one animal that isn't fond of captivity. For me, that would be my 2013 CB Argentine (Boa Constrictor Occidentalis) female Ner'zhul. I've worked with many aggressive snakes by this point, but none of them had that devious twinkle in their eye... not quite like Ner'zhul. She's extremely beautiful, but she'll take any and every opportunity to cut me. Haha. It's comical because I've accepted it by now.
Here is an insight into my onyx gem, Ner'zhul. Do you have any animals that feel the same as my dear BCO? Post pictures!
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*P.S. The tub looks small, but is actually a 41 quart in a rack system. I tried to sneak as close to her as I could!