Macaques
Macaws
Magpies
Mallards
Maluridae
Mammals
Mammals - Misc.
Manatees and Dugongs
Mandrills
Mantis
Marmosets
Marmots
Marsupials
Marsupials - Misc.
Martens
Martins
Mayflies
Meadowlarks
Meerkats
Megapodes
Mergansers
Mice and Rats
Millipedes
Moles
Molluscs
Molluscs - Misc.
Mongooses
Monitors
Monkeys - New World
Monkeys - Old World
Moose and Elks
Mosquitoes
Moths
Mule Deer
Murres and Murrelets
Musk Oxen
Mynas