Template:Glossary L-O

Lamallae •  Lappet · Lanceolate  •  Lateral throat stripe · Leading edge of wing · Leg  •  Leucistic  •  Lores  •  Malar stripe  •  Mandibles (upper and lower)  •   Mantle  •  Mask  •  Melanistic  •   Midwing-panel  •  "Mirror" · Monotypic  •  Morph  •  Moult  •  Moustache  •  Moustachial stripe  •  Nail  •  Nape  •  Nictitating membrane · Nomadic  •  Nominate subspecies  •  Non-breeding plumage · Non-passerine · Nostril  •  Notch  •  Nuchal collar · Nuchal cret · Nuptial  •  Occiput · Ocellus (pl. ocelli)  •  Operculum  •  Orbital · Orbital ring  •  Orbital skin · Order · Oscine · Osteology