- Laced Woodpecker
- Lapland Longspur
- Large-billed Crow
- Large-tailed Nightjar
- Laughing Dove
- Lavender Waxbill
- Least Sandpiper
- Lesser Antillean Bullfinch
- Lesser Antillean Saltator
- Lesser Black-backed Gull
- Lesser Blue-eared Starling
- Lesser Grey Shrike
- Lesser Spotted Woodpecker
- Lesser Whitethroat
- Lesser Yellowlegs
- Light-vented Bulbul
- Little Bee-eater
- Little Bustard
- Little Egret
- Little Forktail
- Little Grebe
- Little Gull
- Little Owl
- Little Penguin
- Little Pied Cormorant
- Little Ringed Plover
- Little Stint
- Little Tern
- Lizard Buzzard
- Long-crested Eagle
- Long-eared Owl
- Long-tailed Duck
- Long-tailed Glossy Starling
- Long-tailed Nightjar
- Long-tailed Shrike
- Long-tailed Tit