- Malachite Sunbird
- Malayan Night Heron
- Malaysian Pied Fantail
- Mallard
- Mandarin Duck
- Mangrove Warbler
- Manx Shearwater
- Marbled Duck
- Marsh Tit
- Martial Eagle
- Masked Shrike
- Masked Tityra
- Meadow Bunting
- Meadow Pipit
- Mediterranean Gull
- Medium Ground Finch
- Melodious Warbler
- Merlin
- Middle Spotted Woodpecker
- Mistle Thrush
- Mocking Cliff Chat
- Monk Parakeet
- Montagu's Harrier
- Mountain Wren
- Mourning Collared Dove
- Moustached Antpitta
- Mute Swan
- Myrtle Warbler