- macaw, blue & gold
- macaw, blue-throated
- macaw, Buffon's
- macaw, green-winged
- macaw, hyacinth
- macaw, Illiger's
- macaw, Lear's
- macaw, Mexican military
- macaws
- manatees
- marmoset, common
- meerkat, slender-tailed
- merganser, hooded
- milksnake, Honduran
- monitor, crocodile
- monitor, Malayan water
- monitor, white-throated
- moorhen, common
- morays
- muntjac, Indian
- muntjac, Reeve's
- mynah, golden-crested
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