Lachstern (Dutch)
Lammergier (Dutch)
Lannervalk (Dutch)
Laplanduil (Dutch)
Leeuweriken (Dutch)
Lepelaar (Dutch)
Lijsters (Dutch)
Lammergeier (Bearded Vulture) (English)
Lanceolated Warbler (English)
Lanner Falcon (English)
Lapland Bunting (English)
Lapland Longspur (English)
Laughing Dove (English)
Leach's Storm-petrel (English)
Lesser Black-backed Gull (English)
Lesser Grey Shrike (English)
Lesser Kestrel (English)
Lesser Short-toed Lark (English)
Lesser Spotted Eagle (English)
Lesser Spotted Woodpecker (English)
Lesser White-fronted Goose (English)
Lesser Whitethroat (English)
Levant Sparrowhawk (English)
Linnet (English)
Little Auk (English)
Little Bittern (English)
Little Bunting (English)
Little Bustard (English)
Little Crake (English)
Little Egret (English)
Little Grebe (English)
Little Gull (English)
Little Owl (English)
Little Ringed Plover (English)
Little Stint (English)
Little Tern (English)
Long-eared Owl (English)
Long-legged Buzzard (English)
Long-tailed Duck (English)
Long-tailed Skua (English)
Long-tailed Tit (English)
Labbe à longe queue (French)
Labbe parasite (French)
Labbe pomarin (French)
Lagopède des Alpes (French)
Lagopède des saules (French)
Linotte à bec jaune (French)
Linotte mélodieuse (French)
Locustelle fluviatile (French)
Locustelle lancéolée (French)
Locustelle luscinioïde (French)
Locustelle tachetée (French)
Loriot d'Europe (French)
Lusciniole à moustaches (French)
Lachmöwe (German)
Lachseeschwalbe (German)
Lannerfalke (German)
Lapplandmeise (German)
Lasurmeise (German)
Laufhühnchen (German)
Levantine-Sturmtaucher (German)
Löffelente (German)
Löffler (German)
Labbo (Italian)
Labbo codalunga (Italian)
Lanario (Italian)
Locustella fluviatile (Italian)
Lodolaio (Italian)
Lucherino (Italian)
Luì bianco (Italian)
Luì boreale (Italian)
Luì forestiero (Italian)
Luì grosso (Italian)
Luì piccolo (Italian)
Luì verdastro (Italian)
Luì verde (Italian)
Lagópodo escandinavo (Spanish)
Lavandera blanca (Spanish)
Lavandera boyera (Spanish)
Lavandera cetrina (Spanish)
Lavandera de cascada (Spanish)
Lechuza campestre (Spanish)
Lechuza común (Spanish)
Lechuza de Tengmalm (Spanish)
Lechuza gavilana (Spanish)
Lúgano (Spanish)