Zoo Tycoon 1 Complete Collection Animals by 98bokaj on DeviantArt

Zoo Tycoon: Ultimate Animal Collection on Steam

Zoo Tycoon: Complete Collection Episode 1

Download Zoo Tycoon (Windows) - My Abandonware

Tutorial 1 - Game Controls, Zoo Tycoon Wiki

Zoo Tycoon Complete Collection Gameplay [Nostalgia]

Zoo Tycoon (Game) - Giant Bomb

Zoo Tycoon (2001) - MobyGames

This is it. I peaked at ZT1. Every species in one zoo, 650 animals 1200 guests. Sadly the file crashes 2 minutes after it loads : r/ZooTycoon

PC / Computer - Zoo Tycoon: Complete Collection - The Sounds Resource

Aquatic Show Park, Zoo Tycoon Wiki