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- Ma-Mha
- Madagascar (2005) (zoo animals)
- Madagascar: Escape 2 Africa (2008) (zoo animals)
- Madagascar 3: Europe's Most Wanted (2012) (zoo animals)
- The Magic of Lassie
- March of the Penguins (2005) (penguins)
- Marmaduke (film) (dog)
- Mighty Joe Young (1949)
- Mighty Joe Young (1998)
- The Million Dollar Duck
- Miracle of the White Stallions
- Moby Dick
- Monkey Trouble
- My Little Pony: Friendship is Magic (ponies)
- My Dog Skip
- My Neighbor Totoro (animated)
- My Dog Tulip (animated)
Read more about this topic: List Of Films About Animals