- Mackinnon's Shrike
- Madagascan Buzzard
- Madagascan Cuckooshrike
- Madagascan Fish Eagle
- Madagascan Hoopoe
- Madagascan Magpie-Robin
- Madagascan Pygmy Kingfisher
- Madagascan Swamp Warbler
- Madagascan Wagtail
- Magellanic Penguin
- Magnificent Frigatebird
- Magpie Shrike
- Malabar Pied Hornbill
- Malachite Kingfisher
- Malachite Sunbird
- Malagasy Bulbul
- Malagasy Green Sunbird
- Malagasy Kestrel
- Malagasy Kingfisher
- Malagasy Paradise Flycatcher
- Malagasy Turtle Dove
- Mallard
- Mangrove Swallow
- Mangrove Warbler
- Marabou Stork
- Marico Flycatcher
- Marsh Sandpiper
- Martial Eagle
- Masked Water Tyrant
- Meadow Pipit
- Merlin
- Meves's Starling
- Meyer's Parrot
- Montagu's Harrier
- Montezuma Oropendola
- Mosque Swallow
- Mottled Wood Owl
- Mountain Wheatear
- Mountain Yellow Warbler
- Mourning Collared Dove
- Mourning Dove
- Mute Swan