- Maccoa Duck
- Madagascar Blue Pigeon
- Madagascar Blue Vanga
- Madagascar Buzzard
- Madagascar Hoopoe
- Madagascar Lark
- Madagascar Magpie-Robin
- Madagascar Mannikin
- Madagascar Owl
- Madagascar Plover
- Madagascar Stonechat
- Madagascar Wagtail
- Magnificent Frigatebird
- Magpie Shrike
- Malachite Kingfisher
- Malagasy Bulbul
- Malagasy Coucal
- Malagasy Kestrel
- Malagasy Kingfisher
- Malagasy Pond Heron
- Mallard
- Mangrove Warbler
- Marabou Stork
- Marsh Sandpiper
- Marsh Tit
- Martial Eagle
- Masked Yellowthroat
- Mayotte Drongo
- Mayotte Sunbird
- Mayotte White-eye
- Meadow Pipit
- Mealy Amazon
- Melodious Warbler
- Montagu's Harrier
- Mourning Collared Dove
- Moustached Grass Warbler
- Muscovy Duck
- Mute Swan