| Golden-crowned Manakin Lepidothrix vilasboasi | Passeriformes / Pipridae | LC |
| Plain-mantled Tit-Spinetail Leptasthenura aegithaloides | Passeriformes / Furnariidae | NE |
| Andean Tit-Spinetail Leptasthenura andicola | Passeriformes / Furnariidae | LC |
| Brown-capped Tit-Spinetail Leptasthenura fuliginiceps | Passeriformes / Furnariidae | LC |
| Rusty-crowned Tit-Spinetail Leptasthenura pileata | Passeriformes / Furnariidae | LC |
| Tufted Tit-Spinetail Leptasthenura platensis | Passeriformes / Furnariidae | LC |
| Araucaria Tit-Spinetail Leptasthenura setaria | Passeriformes / Furnariidae | LC |
| Streak-backed Tit-Spinetail Leptasthenura striata | Passeriformes / Furnariidae | LC |
| Striolated Tit-Spinetail Leptasthenura striolata | Passeriformes / Furnariidae | LC |
| White-browed Tit-Spinetail Leptasthenura xenothorax | Passeriformes / Furnariidae | NT |
| Black Sunbird Leptocoma aspasia | Passeriformes / Nectariniidae | LC |
| Copper-throated Sunbird Leptocoma calcostetha | Passeriformes / Nectariniidae | LC |
| Crimson-backed Sunbird Leptocoma minima | Passeriformes / Nectariniidae | LC |
| Purple-throated Sunbird Leptocoma sperata | Passeriformes / Nectariniidae | NE |
| Purple-rumped Sunbird Leptocoma zeylonica | Passeriformes / Nectariniidae | LC |
| Grey-headed Kite Leptodon cayanensis | Accipitriformes / Accipitridae | LC |
| White-collared Kite Leptodon forbesi | Accipitriformes / Accipitridae | EN |
| Sepia-capped Flycatcher Leptopogon amaurocephalus | Passeriformes / Tyrannidae | LC |
| Rufous-breasted Flycatcher Leptopogon rufipectus | Passeriformes / Tyrannidae | LC |
| Slaty-capped Flycatcher Leptopogon superciliaris | Passeriformes / Tyrannidae | NE |
| Inca Flycatcher Leptopogon taczanowskii | Passeriformes / Tyrannidae | LC |
| Chabert Vanga Leptopterus chabert | Passeriformes / Vangidae | LC |
| Marabou Stork Leptoptilos crumenifer | Ciconiiformes / Ciconiidae | LC |
| Greater Adjutant Leptoptilos dubius | Ciconiiformes / Ciconiidae | NT |
| Golden-plumed Parakeet Leptosittaca branickii | Psittaciformes / Psittacidae | LC |
| Cuckoo-roller Leptosomus discolor | Leptosomiformes / Leptosomidae | LC |
| Grey-chested Dove Leptotila cassinii | Columbiformes / Columbidae | LC |
| Tolima Dove Leptotila conoveri | Columbiformes / Columbidae | NT |
| Caribbean Dove Leptotila jamaicensis | Columbiformes / Columbidae | LC |
| Yungas Dove Leptotila megalura | Columbiformes / Columbidae | LC |
| Ochre-bellied Dove Leptotila ochraceiventris | Columbiformes / Columbidae | VU |
| Pallid Dove Leptotila pallida | Columbiformes / Columbidae | LC |
| Grey-headed Dove Leptotila plumbeiceps | Columbiformes / Columbidae | NE |
| Grey-fronted Dove Leptotila rufaxilla | Columbiformes / Columbidae | LC |
| White-tipped Dove Leptotila verreauxi | Columbiformes / Columbidae | LC |
| Grenada Dove Leptotila wellsi | Columbiformes / Columbidae | CR |
| Olive-backed Quail-Dove Leptotrygon veraguensis | Columbiformes / Columbidae | LC |
| Green-tailed Trainbearer Lesbia nuna | Apodiformes / Trochilidae | LC |
| Black-tailed Trainbearer Lesbia victoriae | Apodiformes / Trochilidae | LC |
| Andean Negrito Lessonia oreas | Passeriformes / Tyrannidae | LC |
| Austral Negrito Lessonia rufa | Passeriformes / Tyrannidae | LC |
| Buffy Hummingbird Leucippus fallax | Apodiformes / Trochilidae | LC |
| Imperial Shag Leucocarbo atriceps | Suliformes / Phalacrocoracidae | NE |
| Guanay Cormorant Leucocarbo bougainvilliorum | Suliformes / Phalacrocoracidae | NT |
| Campbell Shag Leucocarbo campbelli | Suliformes / Phalacrocoracidae | VU |
| New Zealand King Shag Leucocarbo carunculatus | Suliformes / Phalacrocoracidae | VU |
| Stewart Island Shag Leucocarbo chalconotus | Suliformes / Phalacrocoracidae | VU |
| Auckland Shag Leucocarbo colensoi | Suliformes / Phalacrocoracidae | VU |
| Rock Shag Leucocarbo magellanicus | Suliformes / Phalacrocoracidae | LC |
| Chatham Shag Leucocarbo onslowi | Suliformes / Phalacrocoracidae | CR |