- Madagascan Blue Pigeon
- Madagascan Cisticola
- Madagascan Cuckoo
- Madagascan Cuckooshrike
- Madagascan Grebe
- Madagascan Lark
- Madagascan Magpie-Robin
- Madagascan Mannikin
- Madagascan Plover
- Madagascan Pygmy Kingfisher
- Madagascan Swamp Warbler
- Madagascan Wagtail
- Maghreb Magpie
- Magnificent Frigatebird
- Magnolia Warbler
- Magpie Shrike
- Malabar Pied Hornbill
- Malachite Kingfisher
- Malagasy Brush Warbler
- Malagasy Bulbul
- Malagasy Coucal
- Malagasy Kestrel
- Malagasy Kingfisher
- Malagasy Paradise Flycatcher
- Malagasy Sacred Ibis
- Malagasy Turtle Dove
- Malagasy White-eye
- Malaysian Pied Fantail
- Mallard
- Mandarin Duck
- Mangrove Sunbird
- Mangrove Warbler
- Marabou Stork
- Marble-faced Bristle Tyrant
- Marbled Duck
- Marbled Godwit
- Marico Sunbird
- Marsh Sandpiper
- Marsh Tchagra
- Marsh Tit
- Marsh Warbler
- Marsh Wren
- Martial Eagle
- Mascarene Martin
- Masked Flowerpiercer
- Masked Shrike
- Masked Trogon
- Masked Yellowthroat
- Meadow Bunting
- Meadow Pipit
- Mediterranean Gull
- Mediterranean Short-toed Lark
- Melodious Warbler
- Menetries's Warbler
- Metallic-green Tanager
- Mew Gull
- Mexican Violetear
- Meyer's Parrot
- Middle Spotted Woodpecker
- Mistle Thrush
- Mocking Cliff Chat
- Moltoni's Warbler
- Mongolian Finch
- Mongolian Lark
- Montagu's Harrier
- Montane Foliage-gleaner
- Montane Woodcreeper
- Moorland Chat
- Mosque Swallow
- Mottled Swift
- Mottled Wood Owl
- Mountain Buzzard
- Mountain Wagtail
- Mountain Wren
- Mourning Collared Dove
- Mourning Dove
- Moussier's Redstart
- Moustached Barbet
- Mute Swan
- Myrtle Warbler