Why m you not getting your zoo tycoon complete collection t-Rex birth trophy?

If you're not receiving the T-Rex birth trophy in Zoo Tycoon: Complete Collection, it could be due to several reasons. Ensure that you're meeting all the requirements for the trophy, such as properly managing your dinosaurs and their habitats. Additionally, check if there are any bugs or glitches in your game version that might be affecting trophy achievements. Lastly, make sure you're playing in a mode that supports trophy unlocks, as some modes may not allow for them.