There are 135 birds that start with the letter M, from Maack’s Amur Falcon to Mésange Nonnette. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the birds belongs to
Habitat: The places or type of weather the birds lives in
Scientific name: The designation that scientists use to catalog the species
Name: Maack's Amur Falcon
Order: Falconiformes
Habitat: Forests and grasslands
Scientific name: Falco amurensis
Name: Macaroni Penguin
Order: Sphenisciformes
Habitat: Coastal regions
Scientific name: Eudyptes chrysolophus
Name: Macaw
Order: Psittaciformes
Habitat: Tropical forests
Scientific name: Ara spp.
Name: Macdonald's Warbler
Order: Passeriformes
Habitat: Montane forests
Scientific name: Phylloscopus macdonnelli
Name: Macgregor's Honeyeater
Order: Passeriformes
Habitat: Forests
Scientific name: Macgregoria pulchra
Name: Mach's Nightjar
Order: Caprimulgiformes
Habitat: Forests and Woodlands
Scientific name: Caprimulgus maculicaudus
Name: Machetes Plover
Order: Charadriiformes
Habitat: Coastal wetlands
Scientific name: Vanellus macropterus
Name: Madagascar Bee-eater
Order: Coraciiformes
Habitat: Deciduous forests
Scientific name: Merops superciliosus
Name: Madagascar Bittern
Order: Pelecaniformes
Habitat: Freshwater marshes
Scientific name: Ixobrychus sturmii
Name: Madagascar Buttonquail
Order: Charadriiformes
Habitat: Grasslands
Scientific name: Turnix nigricollis
Name: Madagascar Coucal
Order: Cuculiformes
Habitat: Tropical forests
Scientific name: Centropus toulou
Name: Madagascar Crested Ibis
Order: Pelecaniformes
Habitat: Wetlands
Scientific name: Lophotibis cristata
Name: Madagascar Egret
Order: Pelecaniformes
Habitat: Wetlands
Scientific name: Egretta dimorpha
Name: Madagascar Flycatcher
Order: Passeriformes
Habitat: Deciduous forests
Scientific name: Cyornis bendjamini
Name: Madagascar Lark
Order: Passeriformes
Habitat: Grasslands
Scientific name: Mirafra hova
Name: Madagascar Magpie-Robin
Order: Passeriformes
Habitat: Forests and Woodlands
Scientific name: Copsychus albospecularis
Name: Madagascar Nightjar
Order: Caprimulgiformes
Habitat: Dry forests
Scientific name: Caprimulgus madagascariensis
Name: Madagascar Partridge
Order: Galliformes
Habitat: Grasslands
Scientific name: Margaroperdix madagarensis
Name: Madagascar Pratincole
Order: Charadriiformes
Habitat: Wetlands
Scientific name: Glareola ocularis
Name: Madagascar Sacred Ibis
Order: Pelecaniformes
Habitat: Wetlands
Scientific name: Threskiornis bernieri
Name: Madagascar Sparrowhawk
Order: Accipitriformes
Habitat: Tropical forests
Scientific name: Accipiter madagascariensis
Name: Madagascar Swamp Warbler
Order: Passeriformes
Habitat: Freshwater marshes
Scientific name: Acrocephalus newtoni
Name: Madagascar Teal
Order: Anseriformes
Habitat: Freshwater lakes
Scientific name: Anas bernieri
Name: Madagascar Wagtail
Order: Passeriformes
Habitat: Grasslands
Scientific name: Motacilla flaviventris
Name: Madeira Firecrest
Order: Passeriformes
Habitat: Forests
Scientific name: Regulus madeirensis
Name: Madeira Laurel Pigeon
Order: Columbiformes
Habitat: Forests
Scientific name: Columba trocaz
Name: Madeira Nuthatch
Order: Passeriformes
Habitat: Forests
Scientific name: Sitta whiteheadi
Name: Madeira Petrel
Order: Procellariiformes
Habitat: Open ocean
Scientific name: Pterodroma madeira
Name: Magellan Penguin
Order: Sphenisciformes
Habitat: Coastal
Scientific name: Spheniscus magellanicus
Name: Magellanic Penguin
Order: Sphenisciformes
Habitat: Coastal
Scientific name: Spheniscus magellanicus
Name: Magellanic Plover
Order: Charadriiformes
Habitat: Coastal beaches and marshes
Scientific name: Pluvianellus socialis
Name: Magellanic Snipe
Order: Charadriiformes
Habitat: Marshes
Scientific name: Gallinago paraguaiae
Name: Magellanic Woodpecker
Order: Piciformes
Habitat: Forests
Scientific name: Campephilus magellanicus
Name: Magenta Petrel
Order: Procellariiformes
Habitat: Open ocean
Scientific name: Pterodroma magentae
Name: Magnificent Frigatebird
Order: Suliformes
Habitat: Coastal
Scientific name: Fregata magnificens
Name: Magnificent Hummingbird
Order: Apodiformes
Habitat: Forests and Woodlands
Scientific name: Eugenes fulgens
Name: Magnificent Rail
Order: Gruiformes
Habitat: Wetlands
Scientific name: Rallus elegans
Name: Magnolia Warbler
Order: Passeriformes
Habitat: Deciduous forests
Scientific name: Setophaga magnolia
Name: Magpie Goose
Order: Anseranatidae
Habitat: Anseranas semipalmata
Scientific name: Wetlands in northern Australia
Name: Magpie Lark
Order: Grallinidate
Habitat: Grallina cyanoleuca
Scientific name: Woodlands and urban areas in Australia
Name: Magpie Mannikin
Order: Passeriformes
Habitat: Forests and woodlands
Scientific name: Lonchura fuscata
Name: Magpie Tanager
Order: Passeriformes
Habitat: Forests
Scientific name: Cissopis leverianus
Name: Magpie-Robin
Order: Passeriformes
Habitat: Forests and urban areas
Scientific name: Copsychus spp.
Name: Maguari Stork
Order: Ciconiiformes
Habitat: Wetlands
Scientific name: Ciconia maguari
Name: Malabar Crested Lark
Order: Passeriformes
Habitat: Grasslands
Scientific name: Galerida malabarica
Name: Malabar Lark
Order: Passeriformes
Habitat: Grasslands
Scientific name: Calendrella malabarica
Name: Malabar Trogon
Order: Trogoniformes
Habitat: Tropical forests
Scientific name: Harpactes fasciatus
Name: Malabar Whistling Thrush
Order: Passeriformes
Habitat: Forests
Scientific name: Myophonus horsfieldii
Name: Malagasy Harrier
Order: Accipitriformes
Habitat: Wetlands
Scientific name: Circus macrosceles
Name: Malagasy Hoopoe
Order: Bucerotiformes
Habitat: Dry forests
Scientific name: Upupa marginata
Name: Malagasy Kingfisher
Order: Coraciiformes
Habitat: Forests
Scientific name: Corythornis vintsoides
Name: Malagasy Owl
Order: Strigiformes
Habitat: Tropical forests
Scientific name: Asio madagascariensis
Name: Malagasy Paradise Flycatcher
Order: Passeriformes
Habitat: Forests
Scientific name: Terpsiphone mutata
Name: Malagasy Sacred Ibis
Order: Pelecaniformes
Habitat: Wetlands
Scientific name: Threskiornis bernieri
Name: Malagasy Sparrowhawk
Order: Accipitriformes
Habitat: Forests
Scientific name: Accipiter madagascariensis
Name: Malagasy Vanga
Order: Passeriformes
Habitat: Tropical forests
Scientific name: Xenopirostris polleni
Name: Malayan Banded Pitta
Order: Passeriformes
Habitat: Tropical forests
Scientific name: Hydrornis irena
Name: Malayan Colugo
Order: Dermoptera
Habitat: Forests
Scientific name: Galeopterus variegatus
Name: Malayan Crested Fireback
Order: Galliformes
Habitat: Forests
Scientific name: Lophura ignita
Name: Malayan Cuckoo-Shrike
Order: Passeriformes
Habitat: Forests and woodlands
Scientific name: Coracina javensis
Name: Malayan Laughingthrush
Order: Passeriformes
Habitat: Forests
Scientific name: Garrulax peninsulae
Name: Malayan Night Heron
Order: Pelecaniformes
Habitat: Wetlands
Scientific name: Gorsachius melanolophus
Name: Malayan Peacock-Pheasant
Order: Galliformes
Habitat: Forests
Scientific name: Polyplectron malacense
Name: Malayan Pitta
Order: Passeriformes
Habitat: Forests
Scientific name: Pitta irena
Name: Malayan Rail
Order: Gruiformes
Habitat: Wetlands and grasslands
Scientific name: Rallus malaccensis
Name: Malayan Tapir
Order: Perissodactyla
Habitat: Forests
Scientific name: Tapirus indicus
Name: Malayan Woods-Warbler
Order: Passeriformes
Habitat: Montane forests
Scientific name: Phylloscopus malavensis
Name: Malheur's Long-billed Curlew
Order: Charadriiformes
Habitat: Wetlands and grasslands
Scientific name: Numenius americanus parvus
Name: Mallard
Order: Anatidae
Habitat: Anas platyrhynchos
Scientific name: Wetlands and urban areas worldwide
Name: Malleefowl
Order: Megapodiidae
Habitat: Leipoa ocellata
Scientific name: Mallee shrublands in southern Australia
Name: Mallorca Warbler
Order: Passeriformes
Habitat: Mediterranean scrubland
Scientific name: Sylvia balearica
Name: Maltese Falcon
Order: Falconiformes
Habitat: Coastal
Scientific name: Falco peregrinus melanoqenys
Name: Mandarin Duck
Order: Anatidae
Habitat: Aix galericulata
Scientific name: Ponds and lakes in East Asia
Name: Mangrove Cuckoo
Order: Cuculiformes
Habitat: Mangrove forests
Scientific name: Coccyzus minor
Name: Mangrove Heron
Order: Pelecaniformes
Habitat: Coastal mangroves
Scientific name: Butorides striata
Name: Mangrove Monitor
Order: Squamata
Habitat: Mangrove forests
Scientific name: Varanus indicus
Name: Mangrove Swallow
Order: Passeriformes
Habitat: Coastal mangroves
Scientific name: Tachycineta albilinea
Name: Marabou Stork
Order: Ciconiidae
Habitat: Leptoptilos crumenifer
Scientific name: Savannas and wetlands in Africa
Name: Marbled Godwit
Order: Scolopacidae
Habitat: Limosa fedoa
Scientific name: Coastal areas in North America
Name: Marbled Murrelet
Order: Charadriiformes
Habitat: Coastal forests
Scientific name: Brachyramphus marmoratus
Name: Marbled Teal
Order: Anseriformes
Habitat: Wetlands
Scientific name: Marmaronetta angustirostris
Name: Maria's Woodcreeper
Order: Passeriformes
Habitat: Tropical forests
Scientific name: Xiphorhynchus fuscus maria
Name: Mariana Crow
Order: Passeriformes
Habitat: Forests and Woodlands
Scientific name: Corvus kubaryi
Name: Mariana Fruit Dove
Order: Columbiformes
Habitat: Forests
Scientific name: Ptilinopus roseicapilla
Name: Mariana Fruit-Dove
Order: Columbiformes
Habitat: Tropical forests
Scientific name: Ptilinopus roseicapilla
Name: Marianas Crow
Order: Passeriformes
Habitat: Tropical forests
Scientific name: Corvus kubaryi
Name: Markham's Storm-Petrel
Order: Procellariiformes
Habitat: Pelagic
Scientific name: Oceanodroma markhami
Name: Markhor
Order: Artiodactyla
Habitat: Mountainous
Scientific name: Capra falconeri
Name: Maroon Woodpecker
Order: Piciformes
Habitat: Forests
Scientific name: Blythipicus rubiginosus
Name: Maroon-backed Accentor
Order: Prunellidae
Habitat: Prunella immaculata
Scientific name: Mountains in central Asia
Name: Maroon-faced Parakeet
Order: Psittaciformes
Habitat: Forests and Woodlands
Scientific name: Pyrrhura leucotis
Name: Marsh Bunting
Order: Passeriformes
Habitat: Wetlands
Scientific name: Emberiza palustris
Name: Marsh Grassbird
Order: Passeriformes
Habitat: Marshes and wetlands
Scientific name: Megalurus palustris
Name: Marsh Sandpiper
Order: Charadriiformes
Habitat: Wetlands
Scientific name: Tringa stagnatilis
Name: Marsh Seedeater
Order: Passeriformes
Habitat: Wetlands
Scientific name: Sporophila palustris
Name: Marsh Warbler
Order: Passeriformes
Habitat: Wetlands and grasslands
Scientific name: Acrocephalus palustris
Name: Martin
Order: Hirundinidae
Habitat: Progne
Scientific name: Varied habitats worldwide
Name: Marvellous Spatuletail
Order: Apodiformes
Habitat: Forests
Scientific name: Loddigesia mirabilis
Name: Mascarene Paradise Flycatcher
Order: Passeriformes
Habitat: Forests
Scientific name: Terpsiphone bourbonnensis
Name: Masked Booby
Order: Sulidae
Habitat: Sula dactylatra
Scientific name: Tropical oceans worldwide
Name: Masked Finfoot
Order: Gruiformes
Habitat: Wetlands
Scientific name: Heliopais personatus
Name: Masked Lapwing
Order: Charadriidae
Habitat: Vanellus miles
Scientific name: Open habitats in Australia and New Guinea
Name: Masked Owl
Order: Strigiformes
Habitat: Forests and woodlands
Scientific name: Tyto novaehollandiae
Name: Masked Shrike
Order: Passeriformes
Habitat: Woodlands and scrub
Scientific name: Lanius nubicus
Name: Masked Tityra
Order: Passeriformes
Habitat: Forests and Woodlands
Scientific name: Tityra semifasciata
Name: Masked Woodcreeper
Order: Passeriformes
Habitat: Forests and Woodlands
Scientific name: Anabacerthia striaticollis
Name: Massena's Hawk-Eagle
Order: Accipitriformes
Habitat: Forests and Woodlands
Scientific name: Spizaetus melanoleucus
Name: Maui Parrotbill
Order: Passeriformes
Habitat: Forests
Scientific name: Pseudonestor xanthophrys
Name: McKay's Bunting
Order: Passeriformes
Habitat: Arctic tundra
Scientific name: Plectrophenax hyperboreus
Name: Meadow Bunting
Order: Passeriformes
Habitat: Grasslands
Scientific name: Emberiza cioides
Name: Meadow Pipit
Order: Passeriformes
Habitat: Grasslands
Scientific name: Anthus pratensis
Name: Meadowlark
Order: Icteridae
Habitat: Sturnella
Scientific name: Grasslands in North and South America
Name: Mealy Amazon
Order: Psittaciformes
Habitat: Tropical forests
Scientific name: Amazona farinosa
Name: Meer's Nightjar
Order: Caprimulgiformes
Habitat: Savannas
Scientific name: Caprimulgus meerti
Name: Melanism Hawk
Order: Accipitriformes
Habitat: Forests
Scientific name: Accipiter melanochlamys
Name: Mello's Owl
Order: Strigiformes
Habitat: Forests
Scientific name: Otus lilfordi
Name: Merganser
Order: Anatidae
Habitat: Mergus
Scientific name: Freshwater lakes and rivers worldwide
Name: Merlin
Order: Falconiformes
Habitat: Open habitats
Scientific name: Falco columbarius
Name: Mew Gull
Order: Laridae
Habitat: Larus canus
Scientific name: Coastal areas in the Northern Hemisphere
Name: Mexican Sheartail
Order: Apodiformes
Habitat: Deserts
Scientific name: Doricha eliza
Name: Migratory Locust
Order: Orthoptera
Habitat: Grasslands
Scientific name: Locusta migratoria
Name: Milky Eagle-Owl
Order: Strigiformes
Habitat: Forests
Scientific name: Bubo lacteus
Name: Milky Stork
Order: Ciconiidae
Habitat: Mycteria cinerea
Scientific name: Wetlands in Southeast Asia
Name: Mini Sunbird
Order: Passeriformes
Habitat: Forests
Scientific name: Cinnyris minullus
Name: Minivet
Order: Campephagidae
Habitat: Pericrocotus
Scientific name: Forests in Asia
Name: Miombo Tit
Order: Passeriformes
Habitat: Woodlands
Scientific name: Parus griseiventris
Name: Monkey-eating Eagle
Order: Accipitriformes
Habitat: Forests
Scientific name: Pithecophaga jefferyi
Name: Montezuma Oropendola
Order: Passeriformes
Habitat: Tropical forests
Scientific name: Psarocolius montezuma
Name: Mourning Dove
Order: Columbidae
Habitat: Zenaida macroura
Scientific name: Varied habitats in North America
Name: Moustached Parakeet
Order: Psittaciformes
Habitat: Forests and woodlands
Scientific name: Psittacula alexandri
Name: Moustached Tinkerbird
Order: Piciformes
Habitat: Forests
Scientific name: Pogoniulus leucomystax
Name: Moustached Warbler
Order: Acrocephalidae
Habitat: Acrocephalus melanopogon
Scientific name: Reedbeds and wetlands in Europe and Asia
Name: Muscovy Duck
Order: Anatidae
Habitat: Cairina moschata
Scientific name: Wetlands in Mexico and Central America
Name: Mésange Charbonnière
Order: Passeriformes
Habitat: Woodlands
Scientific name: Parus major
Name: Mésange Nonnette
Order: Passeriformes
Habitat: Woodlands
Scientific name: Poecile palustris
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Maack's Amur Falcon | Falconiformes | Forests and grasslands | Falco amurensis |
| Macaroni Penguin | Sphenisciformes | Coastal regions | Eudyptes chrysolophus |
| Macaw | Psittaciformes | Tropical forests | Ara spp. |
| Macdonald's Warbler | Passeriformes | Montane forests | Phylloscopus macdonnelli |
| Macgregor's Honeyeater | Passeriformes | Forests | Macgregoria pulchra |
| Mach's Nightjar | Caprimulgiformes | Forests and Woodlands | Caprimulgus maculicaudus |
| Machetes Plover | Charadriiformes | Coastal wetlands | Vanellus macropterus |
| Madagascar Bee-eater | Coraciiformes | Deciduous forests | Merops superciliosus |
| Madagascar Bittern | Pelecaniformes | Freshwater marshes | Ixobrychus sturmii |
| Madagascar Buttonquail | Charadriiformes | Grasslands | Turnix nigricollis |
| Madagascar Coucal | Cuculiformes | Tropical forests | Centropus toulou |
| Madagascar Crested Ibis | Pelecaniformes | Wetlands | Lophotibis cristata |
| Madagascar Egret | Pelecaniformes | Wetlands | Egretta dimorpha |
| Madagascar Flycatcher | Passeriformes | Deciduous forests | Cyornis bendjamini |
| Madagascar Lark | Passeriformes | Grasslands | Mirafra hova |
| Madagascar Magpie-Robin | Passeriformes | Forests and Woodlands | Copsychus albospecularis |
| Madagascar Nightjar | Caprimulgiformes | Dry forests | Caprimulgus madagascariensis |
| Madagascar Partridge | Galliformes | Grasslands | Margaroperdix madagarensis |
| Madagascar Pratincole | Charadriiformes | Wetlands | Glareola ocularis |
| Madagascar Sacred Ibis | Pelecaniformes | Wetlands | Threskiornis bernieri |
| Madagascar Sparrowhawk | Accipitriformes | Tropical forests | Accipiter madagascariensis |
| Madagascar Swamp Warbler | Passeriformes | Freshwater marshes | Acrocephalus newtoni |
| Madagascar Teal | Anseriformes | Freshwater lakes | Anas bernieri |
| Madagascar Wagtail | Passeriformes | Grasslands | Motacilla flaviventris |
| Madeira Firecrest | Passeriformes | Forests | Regulus madeirensis |
| Madeira Laurel Pigeon | Columbiformes | Forests | Columba trocaz |
| Madeira Nuthatch | Passeriformes | Forests | Sitta whiteheadi |
| Madeira Petrel | Procellariiformes | Open ocean | Pterodroma madeira |
| Magellan Penguin | Sphenisciformes | Coastal | Spheniscus magellanicus |
| Magellanic Penguin | Sphenisciformes | Coastal | Spheniscus magellanicus |
| Magellanic Plover | Charadriiformes | Coastal beaches and marshes | Pluvianellus socialis |
| Magellanic Snipe | Charadriiformes | Marshes | Gallinago paraguaiae |
| Magellanic Woodpecker | Piciformes | Forests | Campephilus magellanicus |
| Magenta Petrel | Procellariiformes | Open ocean | Pterodroma magentae |
| Magnificent Frigatebird | Suliformes | Coastal | Fregata magnificens |
| Magnificent Hummingbird | Apodiformes | Forests and Woodlands | Eugenes fulgens |
| Magnificent Rail | Gruiformes | Wetlands | Rallus elegans |
| Magnolia Warbler | Passeriformes | Deciduous forests | Setophaga magnolia |
| Magpie Goose | Anseranatidae | Anseranas semipalmata | Wetlands in northern Australia |
| Magpie Lark | Grallinidate | Grallina cyanoleuca | Woodlands and urban areas in Australia |
| Magpie Mannikin | Passeriformes | Forests and woodlands | Lonchura fuscata |
| Magpie Tanager | Passeriformes | Forests | Cissopis leverianus |
| Magpie-Robin | Passeriformes | Forests and urban areas | Copsychus spp. |
| Maguari Stork | Ciconiiformes | Wetlands | Ciconia maguari |
| Malabar Crested Lark | Passeriformes | Grasslands | Galerida malabarica |
| Malabar Lark | Passeriformes | Grasslands | Calendrella malabarica |
| Malabar Trogon | Trogoniformes | Tropical forests | Harpactes fasciatus |
| Malabar Whistling Thrush | Passeriformes | Forests | Myophonus horsfieldii |
| Malagasy Harrier | Accipitriformes | Wetlands | Circus macrosceles |
| Malagasy Hoopoe | Bucerotiformes | Dry forests | Upupa marginata |
| Malagasy Kingfisher | Coraciiformes | Forests | Corythornis vintsoides |
| Malagasy Owl | Strigiformes | Tropical forests | Asio madagascariensis |
| Malagasy Paradise Flycatcher | Passeriformes | Forests | Terpsiphone mutata |
| Malagasy Sacred Ibis | Pelecaniformes | Wetlands | Threskiornis bernieri |
| Malagasy Sparrowhawk | Accipitriformes | Forests | Accipiter madagascariensis |
| Malagasy Vanga | Passeriformes | Tropical forests | Xenopirostris polleni |
| Malayan Banded Pitta | Passeriformes | Tropical forests | Hydrornis irena |
| Malayan Colugo | Dermoptera | Forests | Galeopterus variegatus |
| Malayan Crested Fireback | Galliformes | Forests | Lophura ignita |
| Malayan Cuckoo-Shrike | Passeriformes | Forests and woodlands | Coracina javensis |
| Malayan Laughingthrush | Passeriformes | Forests | Garrulax peninsulae |
| Malayan Night Heron | Pelecaniformes | Wetlands | Gorsachius melanolophus |
| Malayan Peacock-Pheasant | Galliformes | Forests | Polyplectron malacense |
| Malayan Pitta | Passeriformes | Forests | Pitta irena |
| Malayan Rail | Gruiformes | Wetlands and grasslands | Rallus malaccensis |
| Malayan Tapir | Perissodactyla | Forests | Tapirus indicus |
| Malayan Woods-Warbler | Passeriformes | Montane forests | Phylloscopus malavensis |
| Malheur's Long-billed Curlew | Charadriiformes | Wetlands and grasslands | Numenius americanus parvus |
| Mallard | Anatidae | Anas platyrhynchos | Wetlands and urban areas worldwide |
| Malleefowl | Megapodiidae | Leipoa ocellata | Mallee shrublands in southern Australia |
| Mallorca Warbler | Passeriformes | Mediterranean scrubland | Sylvia balearica |
| Maltese Falcon | Falconiformes | Coastal | Falco peregrinus melanoqenys |
| Mandarin Duck | Anatidae | Aix galericulata | Ponds and lakes in East Asia |
| Mangrove Cuckoo | Cuculiformes | Mangrove forests | Coccyzus minor |
| Mangrove Heron | Pelecaniformes | Coastal mangroves | Butorides striata |
| Mangrove Monitor | Squamata | Mangrove forests | Varanus indicus |
| Mangrove Swallow | Passeriformes | Coastal mangroves | Tachycineta albilinea |
| Marabou Stork | Ciconiidae | Leptoptilos crumenifer | Savannas and wetlands in Africa |
| Marbled Godwit | Scolopacidae | Limosa fedoa | Coastal areas in North America |
| Marbled Murrelet | Charadriiformes | Coastal forests | Brachyramphus marmoratus |
| Marbled Teal | Anseriformes | Wetlands | Marmaronetta angustirostris |
| Maria's Woodcreeper | Passeriformes | Tropical forests | Xiphorhynchus fuscus maria |
| Mariana Crow | Passeriformes | Forests and Woodlands | Corvus kubaryi |
| Mariana Fruit Dove | Columbiformes | Forests | Ptilinopus roseicapilla |
| Mariana Fruit-Dove | Columbiformes | Tropical forests | Ptilinopus roseicapilla |
| Marianas Crow | Passeriformes | Tropical forests | Corvus kubaryi |
| Markham's Storm-Petrel | Procellariiformes | Pelagic | Oceanodroma markhami |
| Markhor | Artiodactyla | Mountainous | Capra falconeri |
| Maroon Woodpecker | Piciformes | Forests | Blythipicus rubiginosus |
| Maroon-backed Accentor | Prunellidae | Prunella immaculata | Mountains in central Asia |
| Maroon-faced Parakeet | Psittaciformes | Forests and Woodlands | Pyrrhura leucotis |
| Marsh Bunting | Passeriformes | Wetlands | Emberiza palustris |
| Marsh Grassbird | Passeriformes | Marshes and wetlands | Megalurus palustris |
| Marsh Sandpiper | Charadriiformes | Wetlands | Tringa stagnatilis |
| Marsh Seedeater | Passeriformes | Wetlands | Sporophila palustris |
| Marsh Warbler | Passeriformes | Wetlands and grasslands | Acrocephalus palustris |
| Martin | Hirundinidae | Progne | Varied habitats worldwide |
| Marvellous Spatuletail | Apodiformes | Forests | Loddigesia mirabilis |
| Mascarene Paradise Flycatcher | Passeriformes | Forests | Terpsiphone bourbonnensis |
| Masked Booby | Sulidae | Sula dactylatra | Tropical oceans worldwide |
| Masked Finfoot | Gruiformes | Wetlands | Heliopais personatus |
| Masked Lapwing | Charadriidae | Vanellus miles | Open habitats in Australia and New Guinea |
| Masked Owl | Strigiformes | Forests and woodlands | Tyto novaehollandiae |
| Masked Shrike | Passeriformes | Woodlands and scrub | Lanius nubicus |
| Masked Tityra | Passeriformes | Forests and Woodlands | Tityra semifasciata |
| Masked Woodcreeper | Passeriformes | Forests and Woodlands | Anabacerthia striaticollis |
| Massena's Hawk-Eagle | Accipitriformes | Forests and Woodlands | Spizaetus melanoleucus |
| Maui Parrotbill | Passeriformes | Forests | Pseudonestor xanthophrys |
| McKay's Bunting | Passeriformes | Arctic tundra | Plectrophenax hyperboreus |
| Meadow Bunting | Passeriformes | Grasslands | Emberiza cioides |
| Meadow Pipit | Passeriformes | Grasslands | Anthus pratensis |
| Meadowlark | Icteridae | Sturnella | Grasslands in North and South America |
| Mealy Amazon | Psittaciformes | Tropical forests | Amazona farinosa |
| Meer's Nightjar | Caprimulgiformes | Savannas | Caprimulgus meerti |
| Melanism Hawk | Accipitriformes | Forests | Accipiter melanochlamys |
| Mello's Owl | Strigiformes | Forests | Otus lilfordi |
| Merganser | Anatidae | Mergus | Freshwater lakes and rivers worldwide |
| Merlin | Falconiformes | Open habitats | Falco columbarius |
| Mew Gull | Laridae | Larus canus | Coastal areas in the Northern Hemisphere |
| Mexican Sheartail | Apodiformes | Deserts | Doricha eliza |
| Migratory Locust | Orthoptera | Grasslands | Locusta migratoria |
| Milky Eagle-Owl | Strigiformes | Forests | Bubo lacteus |
| Milky Stork | Ciconiidae | Mycteria cinerea | Wetlands in Southeast Asia |
| Mini Sunbird | Passeriformes | Forests | Cinnyris minullus |
| Minivet | Campephagidae | Pericrocotus | Forests in Asia |
| Miombo Tit | Passeriformes | Woodlands | Parus griseiventris |
| Monkey-eating Eagle | Accipitriformes | Forests | Pithecophaga jefferyi |
| Montezuma Oropendola | Passeriformes | Tropical forests | Psarocolius montezuma |
| Mourning Dove | Columbidae | Zenaida macroura | Varied habitats in North America |
| Moustached Parakeet | Psittaciformes | Forests and woodlands | Psittacula alexandri |
| Moustached Tinkerbird | Piciformes | Forests | Pogoniulus leucomystax |
| Moustached Warbler | Acrocephalidae | Acrocephalus melanopogon | Reedbeds and wetlands in Europe and Asia |
| Muscovy Duck | Anatidae | Cairina moschata | Wetlands in Mexico and Central America |
| Mésange Charbonnière | Passeriformes | Woodlands | Parus major |
| Mésange Nonnette | Passeriformes | Woodlands | Poecile palustris |