I was walking along a trail yesterday and I saw a Pileated Woodpecker and had a thought "oh I wonder if that's in the North American pack" (I got a lot of the DLCs a few days ago) and then realized that there are not really any birds in the game. I can understand not wanting to put birds in the current exhibit feature but now that the bats exist and there is a base for walkthrough exhibits I think it would be neat to add birds finally. I hope to see a big DLC on it and then maybe going back and adding birds to previous DLC environment types. Lot of birds out there that would be great to have in the game!