- Madeira Firecrest
- Magnolia Warbler
- Magpie-lark
- Malabar Pied Hornbill
- Malachite Kingfisher
- Mallard
- Mandarin Duck
- Maned Duck
- Manx Shearwater
- Marabou Stork
- Marsh Sandpiper
- Marsh Tit
- Marshall's Iora
- Masked Lapwing
- Masked Shrike
- Meadow Pipit
- Mediterranean Gull
- Mediterranean Short-toed Lark
- Melanesian Flycatcher
- Melodious Warbler
- Merlin
- Metallic Pigeon
- Mistle Thrush
- Mocking Cliff Chat
- Moltoni's Warbler
- Monk Parakeet
- Montagu's Harrier
- Moorland Chat
- Mourning Dove
- Moustached Warbler
- Mute Swan
- Myrtle Warbler