- Lapland Longspur
- Large-billed Crow
- Large-billed Tern
- Laughing Dove
- Laughing Falcon
- Lavender Waxbill
- Lemon-rumped Tanager
- Lesser Black-backed Gull
- Lesser Kiskadee
- Lesser Spotted Eagle
- Lesser Spotted Woodpecker
- Lesser Swamp Warbler
- Lesson's Motmot
- Light-vented Bulbul
- Lilac-breasted Roller
- Limpkin
- Little Bittern
- Little Blue Heron
- Little Cormorant
- Little Cuckoo
- Little Egret
- Little Grebe
- Little Owl
- Little Ringed Plover
- Little Stint
- Little Tern
- Little Woodpecker
- Livingstone's Turaco
- Long-billed Crombec
- Long-crested Eagle
- Long-eared Owl
- Long-tailed Duck
- Long-tailed Glossy Starling
- Long-tailed Ground Dove
- Long-tailed Jaeger
- Long-tailed Paradise Whydah
- Long-tailed Sylph
- Long-tailed Tit