Question

How can you tell a sex of a Gray Tree Frog?

Answer 1

Vocal Sac

[] Most male frog possess balloon like throat  for croaking.

Pads

[]  Male frogs have  pads  on their hands and arms to clasp to female frog's back during the mating process.

Size of Ears

[] Male frogs have ears that are larger than their eyes while female frogs have smaller ears than  their eyes!