Read below for information on 46 different animals that start with the letter M, from macaroni penguins to mules. The most popular animal that starts with the letter M is the millipede, an invertebrate with 80 to 400 legs. The least popular M animal is the marsh frog, a bright green amphibian that lives throughout Europe. Some fun facts about letter M name animals are:
- Markhor have curled horns and are one of the least common animals in the world, with only 2,500 believe to be left in the wild
- Mice are one of the few species found on every continent on earth
- Mountain lions, puma, cougars, and catamounts are the sames species and have no real natural predators
Popular Animals starting with M
Animals that Start with M
We’ve broken down all of our animals into family groups. You’ll find mammals, birds, fish, reptiles, amphibians, insects, and other invertebrates below!
Jump to a specific list:
- Mammals that Start with M
- Birds that Start with M
- Fish that Start with M
- Reptiles that Start with M
- Amphibians that Start with M
- Insects that Start with M
- Other Invertebrates that Start with M
Mammals that Start with M

Maine Coon
Folklore says it's half cat, half raccoon!

Malayan Civet
Also known as the Oriental Civet!

Malayan Tiger
Found in less-dense jungles!

Maltese
Originally bred in Europe!

Maltipoo
Maltipoos may have one of three different coat types depending on the specific genes they inherit from their parents. These include silky, curly, or wavy.

Manatee
Also known as the Sea Cow!

Mandrill
Distinctively coloured noses and rumps!

Maned Wolf
Despite its name, the Maned Wolf is not actually a wolf.

Markhor
Less than 2,500 left in the wild!

Marmot
A marmot spends 80% of its life below ground

Masked Palm Civet
Found throughout Asia, India and China!

Mastiff
Courageous, calm and affectionate!

Meerkat
One will stand on guard to watch for predators!

Mexican Free-Tailed Bat
Some colonies have millions of bats

Mink
The mink can swim up to 100 feet underwater.

Minke Whale
There are two recognised species!

Mole
Primarily hunts and feeds on Earthworms!

Mongoose
Range in size from just 1 to 3 foot!

Mongrel
Has characteristics of two or more breeds!

Monkey
There are around 260 known species!

Moorhen
Feeds on aquatic insects and water-spiders!

Moose
Renews it's enormous antlers every year!

Mountain Gorilla
Isolated populations found in the mountains!

Mountain Lion
Has no real natural predators!

Mouse
Found on every continent on Earth!

Mule
The offspring of a horse and donkey parents!

Muskrat
The muskrat can stay underwater up to 17 minutes at a time
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Birds that Start with M

Macaroni Penguin
Gather in colonies of up to 100,000 members!

Macaw
The largest species of parrot in the world!

Magellanic Penguin
Threatened by oil spills!

Magpie
They are found across Europe, Asia and Africa!

Mourning Dove
It is almost always the male who makes the famous sad sound, which is a wooing call
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Fish that Start with M

Manta Ray
Can grow up to 9m wide!

Megalodon
The largest shark to ever live!

Milkfish
Females lay up to 5 million eggs at one time in warm, shallow and salty waters

Molly
Known for their calm and peaceful nature!

Monkfish
Called "The Poor Man's Lobster!"

Moray Eel
Can grow to nearly 2 meters in length!
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Reptiles that Start with M

Monitor Lizard
Some species are thought to carry a weak venom!
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Amphibians that Start with M

Marine Toad
Produces a toxin used in arrow darts!

Marsh Frog
Has bright green skin!

Monte Iberia Eleuth
The smallest frog in the Northern Hemisphere!
View all amphibians.
Insects that Start with M

Mayfly
There are 2,500 known species worldwide!

Monarch Butterfly
During migration, Monarch Butterflies may travel 250 or more miles each day.

Moth
There are 250,000 different species!
View all insects.
Other Invertebrates that Start with M

Millipede
Some species have a poisonous bite!
View all invertebrates.
Alphabetical List of Animals That Start with M
- Macaroni Penguin
- Macaw
- Magellanic Penguin
- Magpie
- Maine Coon
- Malayan Civet
- Malayan Tiger
- Maltese
- Maltipoo
- Manatee
- Mandrill
- Maned Wolf
- Manta Ray
- Marine Toad
- Markhor
- Marmot
- Marsh Frog
- Masked Palm Civet
- Mastiff
- Mayfly
- Meerkat
- Megalodon
- Mexican Free-Tailed Bat
- Milkfish
- Millipede
- Mink
- Minke Whale
- Mole
- Molly
- Monarch Butterfly
- Mongoose
- Mongrel
- Monitor Lizard
- Monkey
- Monkfish
- Monte Iberia Eleuth
- Moorhen
- Moose
- Moray Eel
- Moth
- Mountain Gorilla
- Mountain Lion
- Mourning Dove
- Mouse
- Mule
- Muskrat
Newest Animals that Start with the Letter M
The most recently added Animals that start with the letter M.

Maltipoo
Maltipoos may have one of three different coat types depending on the specific genes they inherit from their parents. These include silky, curly, or wavy.

Mourning Dove
It is almost always the male who makes the famous sad sound, which is a wooing call

Milkfish
Females lay up to 5 million eggs at one time in warm, shallow and salty waters

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