When Jessica Freemont is viewing her daughter's body in the morgue, she reaches forward with her right hand, but the close-up shows her left hand on her daughter's face.
When Flack enters the tiger pen, he sneezes, and claims to be allergic to cats. However, the allergen that causes a reaction to cats is due to an enzyme in cat saliva which is transferred to the fur through grooming. Big cats to not have this enzyme, so a person allergic to domestic cats is not automatically affected by their larger relatives.
Is knowledge among zoologist that big cats do not eat the prey's intestine. When Montana searches the tiger's dung she says she found "7 cm of the victim's colon". That is a factual mistake.
Mac takes a blood sample from inside the freezer but it's still not frozen.