- Lapland Longspur
- Lesser Black-backed Gull
- Lesser Grey Shrike
- Lesser Spotted Eagle
- Lesser Spotted Woodpecker
- Lesser Whitethroat
- Levaillant's Woodpecker
- Little Bunting
- Little Bustard
- Little Crake
- Little Egret
- Little Grebe
- Little Gull
- Little Owl
- Little Ringed Plover
- Little Stint
- Little Tern
- Long-eared Owl
- Long-legged Buzzard
- Long-tailed Duck
- Long-tailed Tit