- Mackinnon's Shrike
- Malachite Kingfisher
- Malachite Sunbird
- Mallard
- Mangrove Swallow
- Marsh Sandpiper
- Marsh Tit
- Marsh Warbler
- Meadow Pipit
- Mediterranean Gull
- Melodious Warbler
- Mocking Cliff Chat
- Moluccan Dwarf Kingfisher
- Moluccan Owlet-nightjar
- Moluccan Scops Owl
- Mountain Barbet
- Mountain Blackeye
- Mountain Pipit
- Mountain Wagtail
- Mourning Collared Dove
- Mourning Sierra Finch
- Moussier's Redstart
- Mute Swan