Juniper Titmouse – Lucy’s Warbler Juniper Titmouse Kentucky Warbler Kildeer King Eider King Rail Kirkland’s Warbler Kitlitz’s Murrelet Ladder-backed Woodpecker Lapland Longspur Lark Bunting Lark Sparrow La Sagra’s Flycatcher (USA) Laughing Gull Lawrence’s Goldfinch Laysan Albatross Lazuli Bunting Least Auklet Least Bittern Least Flycatcher Least Grebe Least Sandpiper Least Tern Le Conte’s Sparrow Le Conte’s Thrasher Lesser Black-backed Gull Lesser Goldfinch Lesser Scaup Lesser Yellowlegs Lewis’s Woodpecker Limpkin Lincoln’s Sparrow Little Blue Heron Little Bunting (USA) Little Egret (USA) Little Gull (USA) Loggerhead Shrike Long-billed Curlew Long-billed Dowitcher Long-billed Thrasher Long-eared Owl Long-tailed Duck Long-tailed Jaeger Lousiana Waterthrush Lucifer Hummingbird Lucy’s Warbler