Loggerhead kingbird 
Loggerhead shrike 
Loja tapaculo 
Long-billed bernieria 
Long-billed crombec 
Long-billed gnatwren 
Long-billed pipit 
Long-billed white-eye 
Long-billed woodcreeper 
Long-crested pygmy tyrant 
Long-tailed Finch 
Long-tailed Fiscal 
Long-tailed glossy starling 
Long-tailed manakin 
Long-tailed meadowlark 
Long-tailed mockingbird 
Long-tailed paradise whydah 
Long-tailed Shrike 
Long-tailed sibia 
Long-tailed silky-flycatcher 
Long-tailed Starling 
Long-tailed tit 
Long-tailed tyrant 
Long-tailed widowbird