My Rhino iguana is about a year and two months now. I was told he was the alpha male of the group, but i know it is difficult to sex them so i just assumed he was a male. Today my 4 foot green iguana was walking around my room and stopped in front of my rhino's 75 gallon aquarium. My rhino freaked out and started hissing and bobbing and twisting his head. He also opened his mouth and started to charge the glass. He is a very calm rhino and i have never seen him act like that it was very interesting. Im guessing that he is a male because of how he acted ? It was really an awesome display of him being territorial. Is he a male because of this behavior or are all rhino's like this? any help would be great thanks a lot.
-Dave-

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