Absolutely love this place. I've been trying to find affordable activities for my younger brother and I here and Vegas and this is definitely going to be a regular place for us.
There is no admission cost, they only ask of a donation to enter. You can tell they're very grateful and genuine, and emphasize to only give what you can. The staff is very knowledgeable and you can tell they have a true passion for the animals and truly enjoy being there.
The place itself is not all about money and profit; you can tell it was built for both the guests and animals to enjoy.