Least flycatcher 
LeConte's Thrasher 
Lemon-bellied flyrobin 
Lemon-bellied white-eye 
Lemon-browed flycatcher 
Lemon-chested greenlet 
Lemon-rumped Tanager 
Lemon-spectacled tanager 
Lemon-throated leaf warbler 
Lesser Antillean bullfinch 
Lesser Antillean flycatcher 
Lesser Antillean pewee 
Lesser Antillean saltator 
Lesser bird-of-paradise 
Lesser elaenia 
Lesser Goldfinch 
Lesser goldfinch 
Lesser green leafbird 
Lesser greenlet 
Lesser Grey Shrike 
Lesser Hornero 
Lesser kiskadee 
Lesser Masked Weaver 
Lesser Necklaced Laughingthrush