Just like in the real world, not all animals in Zoo Tycoon get along. You can earn more income by keeping the animals happy. Below is a table of which animals get along.
Zoo Tycoon, zoo with 1 animal.
Zoo Tycoon is a video game published by Microsoft Studios that revolves around building zoos. The game was initially available for both Windows and macOS systems, but versions of Zoo Tycoon for Xbox One and Zoo Tycoon for Xbox 360 were eventually released.