duck, eagle, parrot mouse, monkey, bat butterfly, ant, mosquito crocodile, snake, turtle
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these groups animals are ALL mammals?
Possibilities:
- duck, eagle, parrot
- mouse, monkey, bat
- butterfly, ant, mosquito
- crocodile, snake, turtle

mouse, monkey, bat