Talk:Appa/@comment-5333539-20120726054233

Appa is a boy. Appa is called boy by Aang in many instances, so he is a male. However, the creators did toy around with the idea of revealing Appa as female in the end of the series, in order to bring hope for the sky bison population.

Read: http://avatar.answers.wikia.com/wiki/Is_Appa_a_boy_or_a_girl