Elephants & Giraffe have been used to manufacture large Avian / Lizard Life. The existence of Dinosaurs is called into question. T-Rex were once the only thing popular, now it's Raptors which didn't make news previously if they existed.
A T-Rex would require a Bird, & an Elephant & something having teeth, potentially a Fish, having Scales. Biologists deny Sperm & Eggs fertilise Cross Species, also Cloning.
