Why do green tree frogs have horizontal pupils?

[Laefiren]

As far as I’m aware vertical pupils are generally for ambush predators and horizontal pupils are generally paired with eyes on the side of the head and are prey animals. Does anyone know why they have horizontal pupils?

 

[Ryan-James]

What a great question, I like that you take notice and think about things like that.

There is a detailed explanation about it here- https://www.sciencenews.org/article/frog-toad-pupil-eye-seven-different-shapes