- Magpie
- Mallard
- Mockingbird
- Myna
- Macaw
- Martin
- Murre
- Merlin
- Mourning Dove
- Merganser
- Marabou Stork
- Meadowlark
- Manakin
- Motmot
- Magpie Goose
- Masked Lapwing
- Mountain Bluebird
- Mandarin Duck
- Magnolia Warbler
- Montezuma Oropendola
- Mute Swan
- Monk Parakeet
- Magnificent Frigatebird
- Masked Booby
- Magellanic Penguin
- Magnificent Hummingbird
- Mountain Quail
- Mangrove Cuckoo
- Maroon Oriole
- Mangrove Pitta
- Marsh Wren
- Magnificent Riflebird
- Malachite Kingfisher
- Mountain Pygmy Owl
- Madagascar Cuckoo
- Madagascar Bee-eater
- Madagascar Fish Eagle
- Madagascar Hoopoe
- Madagascar Flufftail
- Madagascar Kestrel
- Madagascar Owl
- Madagascar Paradise Flycatcher
- Madagascar Red Owl
- Madagascar Sparrowhawk
- Madagascar Swamp Warbler
- Magpie Goose
- Masked Lapwing
- Mountain Bluebird
- Mandarin Duck
- Magnolia Warbler
- Montezuma Oropendola
- Mute Swan
- Monk Parakeet
- Magnificent Frigatebird
- Masked Booby
- Magellanic Penguin
- Magnificent Hummingbird
- Mountain Quail
- Mangrove Cuckoo
- Maroon Oriole
- Mangrove Pitta
- Marsh Wren
- Magnificent Riflebird
- Malachite Kingfisher
- Mountain Pygmy Owl
- Madagascar Cuckoo
- Madagascar Bee-eater
- Madagascar Fish Eagle
- Madagascar Hoopoe
- Madagascar Flufftail
- Madagascar Kestrel
- Madagascar Owl
- Madagascar Paradise Flycatcher
- Madagascar Red Owl
- Madagascar Sparrowhawk
- Madagascar Swamp Warbler
- Magpie Goose
- Masked Lapwing
- Mountain Bluebird
- Mandarin Duck
- Magnolia Warbler
- Montezuma Oropendola
- Mute Swan
- Monk Parakeet
- Magnificent Frigatebird
- Masked Booby
- Magellanic Penguin
- Magnificent Hummingbird
- Mountain Quail
- Mangrove Cuckoo
- Maroon Oriole
- Mangrove Pitta
- Marsh Wren
- Magnificent Riflebird
- Malachite Kingfisher
- Mountain Pygmy Owl
- Madagascar Cuckoo
- Madagascar Bee-eater
- Madagascar Fish Eagle
- Madagascar Hoopoe
- Madagascar Flufftail
- Madagascar Kestrel
- Madagascar Owl
- Madagascar Paradise Flycatcher
- Madagascar Red Owl
- Madagascar Sparrowhawk
- Madagascar Swamp Warbler
- Magpie Goose
- Masked Lapwing
- Mountain Bluebird
- Mandarin Duck
- Magnolia Warbler
- Montezuma Oropendola
- Mute Swan
- Monk Parakeet
- Magnificent Frigatebird
- Masked Booby
- Magellanic Penguin
- Magnificent Hummingbird
- Mountain Quail
- Mangrove Cuckoo
- Maroon Oriole
- Mangrove Pitta
- Marsh Wren
- Magnificent Riflebird
- Malachite Kingfisher
- Mountain Pygmy Owl
- Madagascar Cuckoo
- Madagascar Bee-eater
- Madagascar Fish Eagle
- Madagascar Hoopoe
- Madagascar Flufftail
- Madagascar Kestrel
- Madagascar Owl
- Madagascar Paradise Flycatcher
- Madagascar Red Owl
- Madagascar Sparrowhawk
- Madagascar Swamp Warbler
- Magpie Goose
- Masked Lapwing
- Mountain Bluebird
- Mandarin Duck
- Magnolia Warbler
- Montezuma Oropendola
- Mute Swan
- Monk Parakeet
- Magnificent Frigatebird
- Masked Booby
- Magellanic Penguin
- Magnificent Hummingbird
