- Mackinnon's Shrike
- Magnificent Frigatebird
- Malachite Kingfisher
- Malagasy Kingfisher
- Malagasy Paradise Flycatcher
- Mallard
- Mangrove Cuckoo
- Mangrove Warbler
- Manx Shearwater
- Marabou Stork
- Marico Sunbird
- Marsh Sandpiper
- Martial Eagle
- Masked Booby
- Masked Lapwing
- Masked Water Tyrant
- Mayotte Sunbird
- Meadow Pipit
- Mediterranean Gull
- Melodious Warbler
- Meyer's Parrot
- Montagu's Harrier
- Montserrat Oriole
- Mountain Masked Apalis
- Mountain Wagtail
- Mourning Collared Dove
- Moustached Grass Warbler
- Mute Swan