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Lagonosticta senegala
Lagonosticta senegala, the red-billed or Senegal firefinch, is a small estrildid finch of sub-Saharan savannas and villages, with six subspecies, a stable Least Concern population, and the village indigobird as brood parasite.
Lagopus
Lagopus (ptarmigan) is a genus of three cold-adapted grouse species known for white winter plumage and snowshoe feet. They are distributed across Holarctic regions and western North America.
Lanio
Lanio (shrike-tanagers), genus of four tanager species (Thraupidae) established by Vieillot in 1816; type species Lanio fulvus; named for shrike-like bills; Central and South American canopy flock birds.
Lanius
Lanius (Linnaeus, 1758) is the genus of true shrikes, family Laniidae, predatory songbirds that impale prey on thorns; about 32 species, African origin, Miocene diversification with C4 grass expansion.
Lanner falcon
Lanner falcon (Falco biarmicus), a medium-sized falcon of Africa, the Arabian Peninsula, and the Mediterranean; IUCN Least Concern globally but Vulnerable in South Africa; threatened by electrocution, persecution, and falconry harvesting.
Laridae
Laridae, the gull family (gulls, terns, noddies, skimmers; formerly Sternidae and Rynchopidae separate), is a Charadriiformes family within Lari, sister to the skuas-alcids clade, with about 50 gull species and generalist ecology.
Lark
Larks (family Alaudidae) are 93–100 species of open-country passerine birds of Africa and Eurasia, known for elaborate flight song, cryptic soil-matching plumage, ground nesting, and repeated desert colonization.
Larus
Larus (Linnaeus, 1758) is the gull genus of Laridae holding the large white-headed gulls such as Herring, Lesser Black-backed, and Great Black-backed Gulls; molecular phylogeny showed the traditional broad genus was not monophyletic and split it into several genera.
Laterallus
Laterallus (G.R. Gray, 1855) is a genus of small American rails, type genus of tribe Laterallini; includes the Black Rail L. jamaicensis and, since 2019, the Inaccessible Island Rail.
Laughing kookaburra
Laughing kookaburra (Dacelo novaeguineae), a large Australian kingfisher famed for its laughing territorial dawn call. Native to eastern Australia; introduced to Tasmania, Western Australia, and New Zealand; cooperative breeder, IUCN Least Concern.
Least bittern
Least bittern (Botaurus exilis, formerly Ixobrychus exilis), smallest heron of the Americas, a secretive marsh bird of cattail wetlands. Eats small fish, nests over water, global population about 310,000; Special Concern in Canada.
Legatus
Legatus is a monotypic genus of tyrant flycatchers established by Philip Lutley Sclater in 1859. Its single species, the piratic flycatcher, breeds by usurping the nests of other birds.
Leghorn chicken
Leghorn chicken, Italian egg-layer breed from Tuscany named for Livorno; white eggs, 200-300+ per year, flighty, non-broody; White Leghorn crosses dominate commercial white-shell egg production; APA recognized since 1874.
Lesbia
Lesbia (trainbearers) is a genus of Andean hummingbirds, family Trochilidae, established by Lesson in 1833, holding the Green-tailed Trainbearer (Lesbia nuna) and Black-tailed Trainbearer (Lesbia victoriae), known for very long cleft tails.
Lesser roadrunner
Lesser roadrunner (Geococcyx velox, Correcaminos chico), a monotypic ground cuckoo of arid Mexico to northern Nicaragua; 45–50 cm, unstreaked chest, crimson postorbital patch; IUCN Least Concern, 500,000–4,999,999 mature individuals, stable trend.
Lessonia
Lessonia is a homonymous genus name: Swainson's 1832 genus of two South American tyrant flycatchers (Andean and Austral negritos) and Bory's 1825 kelp genus of 11 southern-hemisphere Laminariales species.
Leucophaeus
Leucophaeus is a small New World gull genus in Laridae holding the Laughing, Lava, Gray, Franklin's, and Dolphin Gulls, moved out of Larus after Pons et al.'s 2005 mitochondrial phylogeny.
Limnodromus
Limnodromus, the dowitchers, is a genus of three long-billed Scolopacidae shorebirds: Short-billed, Long-billed, and Asian Dowitcher; established by Wied-Neuwied in 1833, with the two Nearctic species split only in 1950.
Limosa
Limosa (godwits) is a genus of four large migratory shorebirds in Scolopacidae: Bar-tailed, Black-tailed, Marbled, and Hudsonian Godwits, known for extreme nonstop migrations and mixed, mostly declining population trends.
List of birds
List of birds: global checklists of the world's roughly 11,000 bird species, formerly Clements, IOC, and HBW/BirdLife, now unified as AviList (2025) with 11,131 species in 46 orders.
List of birds by flight heights
The list of birds by flight heights catalogs bird flight altitudes, from low routine flights to the record 11,300 m set by a Rüppell's vulture in 1973.
List of birds by flight speed
The list of birds by flight speed covers cruising flight of 8 to 23 m/s in migrating birds and diving speeds, led by the peregrine falcon at up to 389 km/h.
List of birds of Australia
List of birds of Australia: BirdLife Australia's Working List of Australian Birds v4.3 (October 2023), the official checklist of about 1,025 species, maintained via BARC rarities appraisal and aligning with AviList 2025.
List of birds of Florida
List of birds of Florida: the Florida Ornithological Society's formal checklist, 559 taxa with 545 extant species including 17 established exotics, maintained by the FOS Records Committee; Florida Scrub-Jay is the only endemic.
List of birds of India
List of birds of India: the national avifauna checklist. India Checklist v10.1 (Praveen & Jayapal) counts 1,211 regular species plus 142 vagrants and 29 historical; Avibase lists 1,396 species, 84 endemics, following eBird/Clements taxonomy.
List of chicken breeds
Chicken breeds: over 1,600 recognized worldwide, descended mainly from the red junglefowl of Southeast Asia. Covers APA recognition since 1874, egg, meat, dual-purpose, and indigenous breeds, hybrids, and conservation status.
List of duck breeds
The list of duck breeds catalogs the standardized varieties of domestic duck, nearly all descended from the mallard, with the Muscovy as the only other domesticated species.
List of goose breeds
The list of goose breeds covers the 96 breeds or genetic groups of domestic goose identified by the FAO, descending from the Greylag and Swan geese.
List of Indian state birds
The list of Indian state birds gives the official bird designated by each of India's 28 states and union territories, including the Indian roller and the Great Hornbill.
List of largest birds
List of largest birds: Vorombe titan (elephant bird) was the largest ever at 3 m and 860 kg; the ostrich is the largest living bird; Pelagornis sandersi had the greatest wingspan ever, and the wandering albatross the greatest living wingspan.