Zoo Tycoon (2001 video game)

https://en.wikipedia.org/wiki/Zoo_Tycoon_(2001_video_game)

Blue Fang Games, Microsoft, 2001-10-17 Windows and Mac; DS 2005. Exhibit suitability from terrain, foliage, rocks, shelters, toys; guest happiness; predation; decaying fences; staff; scenario and freeform modes; research unlocks.

Zoo Tycoon