- Lapland Longspur
- Lappet-faced Vulture
- Large-billed Lark
- Lark-like Bunting
- Laughing Dove
- Lesser Black-backed Gull
- Lesser Crested Tern
- Lesser Flamingo
- Lesser Grey Shrike
- Lesser Kestrel
- Lesser Redpoll
- Lesser Scaup
- Lesser Spotted Eagle
- Lesser Whitethroat
- Levaillant's Cisticola
- Lichtenstein's Sandgrouse
- Lilac-breasted Roller
- Little Bee-eater
- Little Bittern
- Little Bunting
- Little Bustard
- Little Cormorant
- Little Crake
- Little Egret
- Little Grebe
- Little Gull
- Little Owl
- Little Ringed Plover
- Little Stint
- Little Tern
- Lizard Buzzard
- Long-billed Crombec
- Long-crested Eagle
- Long-eared Owl
- Long-legged Buzzard
- Long-tailed Duck
- Long-tailed Shrike
- Long-tailed Tit
- Long-toed Stint
- Ludwig's Bustard