marlin
Any species of game fish belonging to either of the genera Tetrapturus or Makaira, with a crested dorsal fin and a pointed, spear-like projection of the upper jaw.

marsh crake
Synonym of Baillon's crake (Zapornia pusilla)

marsh harrier
A raptor in species Circus aeruginosus, which inhabits swampy ground.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.
Any member of the raptor genus Circus of similar appearance and habit to Circus aeruginosus.

marsh hawk
The northern harrier, Circus hudsonius

marsh sandpiper
A small wader, Tringa stagnatilis.

marsh tit
A passerine bird of the tit family (Poecile palustris).

marsh warbler
A small passerine bird, Acrocephalus palustris, family Acrocephalidae, of Europe and Africa.

marsh wren
A North American wren, Cistothorus palustris.

marsh wrens
plural of marsh wren

martial eagle
A large bird of prey of species Polemaetus bellicosus, native to sub-Saharan Africa.

martins
plural of martin

masked crimson tanager
A bird native to South America, Ramphocelus nigrogularis

masked finch
A species of estrildid finch, Poephila personata, endemic to northern Australia.

masked lapwing
A large, common and conspicuous species of lapwing native to Australia, New Zealand and New Guinea, Vanellus miles.

masked plover
The masked lapwing, Vanellus miles.

masked shrike
Lanius nubicus, a large songbird species in the shrike family (Laniidae).

masterweaver
An expert weaver.

masterweavers
plural of masterweaver

maybird
The bobolink.

maybirds
plural of maybird

meadow pipit
A small passerine bird (Anthus pratensis).

meadowlark
The meadow pipit (Anthus pratensis).
Any of several songbirds of the genera Sturnella and Leistes, native to the Americas.

meadowlarks
plural of meadowlark

megaelectronvolt
Alternative spelling of megaelectron volt.

megaelectronvolts
plural of megaelectronvolt

megapode
Any of several chicken- or turkey-like birds in the family Megapodiidae, which incubate their eggs by burying them where they receive warmth from decaying vegetation, solar radiation or geothermal heat.

megapodes
plural of megapode

melampitta
Any member of the family Melampittidae of birds from New Guinea.

melampittas
plural of melampitta

melba finch
Pytilia melba, an estrildid finch of Africa.

melidectes
Any of a number of birds in the genus Melidectes in the honeyeater family, endemic to New Guinea and New Britain.

meliphaga
Any of various honeyeaters.

melodious warbler
Hippolais polyglotta, an Old World warbler in the genus Hippolais, of Southern Europe and Africa.

merganser
Any of various diving ducks of the genera Mergus or Lophodytes, which feed on fish and have a sharply serrated bill.

mergansers
plural of merganser

merlin
A small falcon, Falco columbarius, that breeds in northern North America, Europe, and Asia.

merlins
plural of merlin

merlon
Any of the upright projections between the embrasures of a battlement, originally for archers to shield behind while shooting arrows over the embrasures, or through loopholes in the merlons.

merlons
plural of merlon

mesia
Any of various birds
Any of various birds

mesias
plural of mesia

mesite
Any of three species of bird in the family Mesitornithidae within the order Mesitornithiformes, endemic to Madagascar.

mesites
plural of mesite

metabiases
plural of metabias

methylia
methylamine

mew gull
The common gull, Larus canus.
The common gull, Larus canus.

middle spotted woodpecker
Any of species Dendrocoptes medius of a medium-sized woodpecker.

midrails
plural of midrail

miliaria
A rash caused by blocked, malfunctioning, or underdeveloped sweat glands.

miliarias
plural of miliaria

military macaw
Ara militaris, a large parrot with mostly green plumage.

milky stork
Mycteria cinerea, a large wading bird in the stork family Ciconiidae.

millerbird
A bird (Acrocephalus familiaris), an Old World warbler in the family Acrocephalidae.

millerbirds
plural of millerbird

minla
Any of various laughingthrushes
Any of various laughingthrushes
Any of various laughingthrushes

minlas
plural of minla

mino
A traditional Japanese raincoat made from straw.

minos
plural of mino

miombo tit
Any of species Melaniparus griseiventris of small birds, of the tit family Paridae, endemic to subtropical or tropical dry forests of Africa.

mistle thrush
A large Eurasian thrush, Turdus viscivorus.

mistletoebird
An Australian flowerpecker, Dicaeum hirundinaceum, that commonly eats and thereby serves to spread mistletoe.

mistletoebirds
plural of mistletoebird

moa
Any of several species of large, extinct, flightless birds of the family Dinornithidae that were native to New Zealand; until its extinction, one species was the largest bird in the world.
An extremely tall individual.

moas
plural of moa

mockingbirds
plural of mockingbird

moho
The North Island takahē, an extinct rail of New Zealand.

mohoau
North Island takahē (Porphyrio mantelli)

mohoaus
plural of mohoau

mohos
plural of moho

monal-partridges
plural of monal-partridge

monals
plural of monal

monk parakeet
Myiopsitta monachus, a parrot of South America.

monk parakeets
plural of monk parakeet

monk vulture
Synonym of Eurasian black vulture.

monkey-eating eagle
The Philippine eagle (Pithecophaga jefferyi).

moorhen
Any of various medium-sized water birds of the genus Gallinula, of the rail family, that feed in open water margins.
A female red grouse, Lagopus lagopus scotica.

moorhens
plural of moorhen

mopehawk
Alternative form of morepork (“the bird”).

mopehawks
plural of mopehawk

mopoke
A morepork.

mopokes
plural of mopoke

morepoke
Alternative spelling of morepork.

morepokes
plural of morepoke

morepork
The Tasmanian spotted owl (Ninox novaeseelandiae), a small brown owl indigenous to New Zealand and Tasmania.
Used as a mild term of abuse.
Used as a mild term of abuse.

moreporks
plural of morepork

mormon
Any of various dark-coloured Asian species of papilionid butterflies of the genus Papilio.

mormons
plural of mormon

morningbird
A bird of species Pachycephala tenebrosa, native to Palau.

morningbirds
plural of morningbird

mosque swallow
The swallow Cecropis senegalensis.

mossie
Any of various species of sparrow, especially Passer melanurus.

mossies
plural of mossie
plural of mossy

mossy
Covered in or overgrown with moss.

mossys
plural of mossy

motmot
Any bird in the taxonomic family Momotidae, endemic to the neotropics.

motmots
plural of motmot

mottled berryhunter
A bird of species Rhagologus leucostigma, native to New Guinea.

mottled duck
A medium-sized dabbling duck, Anas fulvigula.

mottled owl
Strix virgata, a medium-sized owl of parts of Central and South America, having the head and back mottled brown and the underparts whitish, with vertical bars on the chest and throat.

moundbird
megapode

moundbirds
plural of moundbird

mountain avocetbill
Opisthoprora euryptera, a hummingbird of South America.

mountain bluebird
A bluebird of species Sialia currucoides, found in eastern North America.

mountain buzzard
Buteo oreophilus, a bird of prey endemic to East Africa.

mountain chickadee
Poecile gambeli, a small bird of the tit family Paridae

mountain quail
Oreortyx pictus, a small ground-dwelling bird in the New World quail family.
Ophrysia superciliosa

mountain quails
plural of mountain quail

mountain shrike
Lanius validirostris, a small bird endemic to the Philippines.

mountain wagtail
Motacilla clara, a species of wagtail of the family Motacillidae from sub-Saharan Africa