Male or female green tree frogs

[Wolf645]

I cant tell if i have a 2 males or one female and one male.
one of them is fat has a dark neck croaks but neck doesnnt get big(barely croaks)
and it has yellow spots under its neck.
the other one is slim white stomach and croacks and neck gets really big like a ballon. i dont ahve a camra sorry

 

[Kaysie]

If one has a vocal pouch, it's male.

 

[Red Eft14]

Lets just say I found out that I had a male when he kept wakeing me up every night for a week striaght of his coraking lol and they sound like a puppy barking