- Lappet-faced Vulture
- Lark Sparrow
- Laughing Dove
- Laughing Kookaburra
- Least Sandpiper
- Lesser Black-backed Gull
- Lesser Blue-eared Starling
- Lesser Crested Tern
- Lesser Flamingo
- Lesser Frigatebird
- Lesser Goldfinch
- Lesser Grey Shrike
- Lesser Kestrel
- Lesser Noddy
- Lesser Yellowlegs
- Light-mantled Albatross
- Little Bee-eater
- Little Bittern
- Little Egret
- Little Grebe
- Little Gull
- Little Kingfisher
- Little Owl
- Little Pied Cormorant
- Little Raven
- Little Ringed Plover
- Little Stint
- Little Swift
- Long-billed Corella
- Long-billed Curlew
- Long-crested Eagle
- Long-eared Owl
- Long-tailed Glossy Starling
- Long-tailed Tit