egyptian fruit bat

Frontier know there's a certain portion of the player base who are dying for flying animals to be added to the game and I just gave the walkthrough exhibit a go and got some bats in there and waited for something to happen and I thought: Well, they're not moving...Oh, I wonder if they've...

I'm not even sure this is a feasible request as I'm not sure how the game engine would handle it, but I think it would be awesome if the bat sounds could be heard even outside the walkthrough habitats when using the mesh or null walls. Currently it seems the game treats the exhibits as solid...