Revealing mistake: When Dolittle is called in the middle of the night to give Miss Parker her injection, watch the injection: When Dolittle pulls the injection equipment away from her fat leg, the needle is gone.
Revealing mistake: When John is preparing to operate on the tiger you can see a crowd of people watching including his family. Watch the guinea pig that his daughter Maya is holding - if you look closely at it you can see that it is fake.
Revealing mistake: Dolittle's daughter is in the woods holding the cell phone talking with his dad about the dog he is bringing, but the phone screen is off all the time.
Answer: Lucky is a mongrel mix. A mix of 2 breeds. A quick search suggests a possible terrier and lab mix.
Ssiscool