- Lanner Falcon
- Lappet-faced Vulture
- Large-billed Antwren
- Large-billed Tern
- Large Grey Babbler
- Laughing Dove
- Layard's Parakeet
- Lemon Dove
- Lesser Adjutant
- Lesser Horned Owl
- Lesser Jacana
- Lesser Kestrel
- Lesser Kiskadee
- Lesser Rhea
- Lesser Spotted Woodpecker
- Lesser Striped Swallow
- Lesser Swamp Warbler
- Lesser Whistling Duck
- Lesser Yellow-headed Vulture
- Lesser Yellowlegs
- Lesser Yellownape
- Levaillant's Cuckoo
- Levaillant's Woodpecker
- Limpkin
- Little Bee-eater
- Little Bittern
- Little Blue Heron
- Little Cormorant
- Little Egret
- Little Grebe
- Little Owl
- Little Rock Thrush
- Little Stint
- Little Tern
- Little Woodpecker
- Long-crested Eagle
- Long-eared Owl
- Long-legged Buzzard
- Long-tailed Broadbill
- Long-tailed Glossy Starling
- Long-tailed Meadowlark
- Long-tailed Paradise Whydah
- Long-tailed Shrike
- Long-tailed Tit
- Long-toed Lapwing
- Loten's Sunbird