- Maghreb Lark
- Maghreb Magpie
- Magnificent Frigatebird
- Magnolia Warbler
- Malachite Kingfisher
- Malayan Laughingthrush
- Malayan Partridge
- Malayan Peacock-Pheasant
- Malayan Swamp Babbler
- Malaysian Pied Fantail
- Malaysian Plover
- Mallard
- Mandarin Duck
- Mangrove Swallow
- Mangrove Warbler
- Marabou Stork
- Marbled Godwit
- Marico Sunbird
- Maroon-breasted Philentoma
- Marsh Sandpiper
- Marsh Warbler
- Masked Flowerpiercer
- Masked Yellowthroat
- Meadow Pipit
- Mediterranean Gull
- Mediterranean Short-toed Lark
- Medium Egret
- Melodious Blackbird
- Melodious Warbler
- Mocking Cliff Chat
- Monk Parakeet
- Montane Woodcreeper
- Montezuma Oropendola
- Moorland Chat
- Moorland Francolin
- Morelet's Seedeater
- Mottled Duck
- Mountain Bulbul
- Mountain Fulvetta
- Mountain Peacock-Pheasant
- Mountain Wagtail
- Mountain Wren
- Mourning Collared Dove
- Mourning Dove
- Moussier's Redstart
- Moustached Warbler
- Mute Swan
- Myrtle Warbler