This is a list of the bird species recorded in Singapore. The avifauna of Singapore include a total of 462 species, 30 of which have been introduced by humans.[1]
This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist of Birds of the World, 2022 edition.[2] The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts found in each family account.
The following tags have been used to highlight several categories, but not all species fall into one of these categories. Those that do not are commonly occurring native species.
Abundance
Very common (VC) - found almost all the time in suitable locations
Common (C) - found most of the time in suitable locations
Uncommon (U) - found some of the time
Rare (R) - found several times a year
Very rare (VR) - not found every year
Accidental (A) - a species that rarely or accidentally has occurred in Singapore
Extirpated (Ex) - used to be found in Singapore, but not any more
Status
Resident (R) - stays throughout the year without known breeding record
Resident breeder (RB) - stays throughout the year with known breeding record
Winter visitor (WV) - spends months at wintering site
Passage migrant (PM) - spends days to weeks at wintering site
Migrant breeder (MB) - breeds locally, but winters elsewhere
Non-breeding visitor (NBV) - can be found throughout the year for days to months, but does not breed locally
Vagrant (V) - not usually found locally
Introduced (I) - either released or escaped birds
Reintroduced (rI) - previously extirpated, but has been re-introduced into the wild
Locations
There are many locations for bird watching in Singapore. The habitats include forests, mangroves, rivers, coasts, grasslands, woodlands, marshes, and offshore islands.
There are many islands surrounding mainland Singapore. They often have names carrying the word "pulau" (P.), meaning "island" (Is.) in the Malay language.
Sungei Serangoon - a river in the north-eastern part of Singapore. It has been converted into a reservoir in 2011 and is now known as Serangoon Reservoir. It is beside Lorong Halus Wetland and Punggol grassland.
Coasts
There are many coastal habitats around mainland Singapore.
Lower Seletar Dam (LSD) - a mudflat and sandy beach at north-eastern Singapore. It is the northern border of Lower Seletar Reservoir (LSR).
Kranji Dam - a dam at north-western Singapore. It is the northern border of the Kranji Reservoir.
Mandai Mudflat -a mudflat at north-western Singapore. It is a feeding ground for migratory waders.
Lesser whistling duck (Dendrocygna javanica) swimming in Singapore
Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, flattened bills, and feathers that are excellent at shedding water due to an oily coating.
Red junglefowl (Gallus gallus) - C/RB+IRB - RB: P. Ubin. IRB: Changi, East Coast, Fort Canning, Poyan, PRP, SBG, LNR, SBTB, SBWR, Sembawang Park, Tampines
Green peafowl (Pavo muticus) - C/IRB - Sentosa, Mandai
Indian peafowl (Pavo cristatus) - C/IRB - Sentosa, Mandai
Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land.
Little grebe (Tachybaptus ruficollis) - VR/RB - Halus, P. Ubin, KRP, Kranji Marsh, P. Punggol, Punggol, Singapore Quarry, Tampines Quarry
The family Cuculidae includes cuckoos, roadrunners and anis. These birds are of variable size with slender bodies, long tails and strong legs. The Old World cuckoos are brood parasites.
Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is camouflaged to resemble bark or leaves.
Swifts are small birds which spend the majority of their lives flying. These birds have very short legs and never settle voluntarily on the ground, perching instead only on vertical surfaces. Many swifts have long swept-back wings which resemble a crescent or boomerang.
The treeswifts, also called crested swifts, are closely related to the true swifts. They differ from the other swifts in that they have crests, long forked tails and softer plumage.
Rallidae is a large family of small to medium-sized birds which includes the rails, crakes, coots and gallinules. Typically they inhabit dense vegetation in damp environments near lakes, swamps or rivers. In general they are shy and secretive birds, making them difficult to observe. Most species have strong legs and long toes which are well adapted to soft uneven surfaces. They tend to have short, rounded wings and to be weak fliers.
Slaty-breasted rail (Lewinia striata) - U/RB - tall grass areas
The thick-knees are a group of largely tropical waders in the family Burhinidae. They are found worldwide within the tropical zone, with some species also breeding in temperate Europe and Australia. They are medium to large waders with strong black or yellow-black bills, large yellow eyes and cryptic plumage. Despite being classed as waders, most species have a preference for arid or semi-arid habitats.
Recurvirostridae is a family of large wading birds, which includes the avocets and stilts. The avocets have long legs and long up-curved bills. The stilts have extremely long legs and long, thin, straight bills.
The family Charadriidae includes the plovers, dotterels and lapwings. They are small to medium-sized birds with compact bodies, short, thick necks and long, usually pointed, wings. They are found in open country worldwide, mostly in habitats near water.
Black-bellied plover (Pluvialis squatarola) - U/WVPM - Changi, P. Tekong, P. Ubin, SBWR
Pacific golden-plover (Pluvialis fulva) - C/WVPM - rivers, coasts, mudflats, open areas
The jacanas are a group of tropical waders in the family Jacanidae. They are found throughout the tropics. They are identifiable by their huge feet and claws which enable them to walk on floating vegetation in the shallow lakes that are their preferred habitat.
Scolopacidae is a large diverse family of small to medium-sized shorebirds including the sandpipers, curlews, godwits, shanks, tattlers, woodcocks, snipes, dowitchers and phalaropes. The majority of these species eat small invertebrates picked out of the mud or soil. Variation in length of legs and bills enables multiple species to feed in the same habitat, particularly on the coast, without direct competition for food.
The buttonquail are small, drab, running birds which resemble the true quails. The female is the brighter of the sexes and initiates courtship. The male incubates the eggs and tends the young.
Barred buttonquail (Turnix suscitator) - U/RB - Changi, Coney Is., Halus, NTL, P. Punggol, P. Ubin, Punggol, TEG, Tuas
Glareolidae is a family of wading birds comprising the pratincoles, which have short legs, long pointed wings and long forked tails, and the coursers, which have long legs, short wings and long, pointed bills which curve downwards.
Oriental pratincole (Glareola maldivarum) - U/PM - CCNR, Changi, Henderson Waves, Kranji Marsh, Punggol, P. Punggol, P. Semakau, P. Ubin, Tuas
Small pratincole (Glareola lactea) - VR/PM - Changi, P. Punggol
The family Stercorariidae are, in general, medium to large birds, typically with grey or brown plumage, often with white markings on the wings. They nest on the ground in temperate and arctic regions and are long-distance migrants.
Laridae is a family of medium to large seabirds, the gulls, terns, and skimmers. Gulls are typically grey or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with grey or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water. Terns are generally long-lived birds, with several species known to live in excess of 30 years.
Though the members of this family are similar in many respects to the southern storm-petrels, including their general appearance and habits, there are enough genetic differences to warrant their placement in a separate family.
The procellariids are the main group of medium-sized "true petrels", characterised by united nostrils with medium septum and a long outer functional primary.
Storks are large, long-legged, long-necked, wading birds with long, stout bills. Storks are mute, but bill-clattering is an important mode of communication at the nest. Their nests can be large and may be reused for many years. Many species are migratory.
Asian openbill (Anastomus oscitans)[13] - V - NTL/P. Punggol/Seletar West (2013), SBWR (2019), island-wide (Dec 2019)
Frigatebirds are large seabirds usually found over tropical oceans. They are large, black-and-white or completely black, with long wings and deeply forked tails. The males have coloured inflatable throat pouches. They do not swim or walk and cannot take off from a flat surface. Having the largest wingspan-to-body-weight ratio of any bird, they are essentially aerial, able to stay aloft for more than a week.
Anhingas or darters are often called "snake-birds" because of their long thin neck, which gives a snake-like appearance when they swim with their bodies submerged. The males have black and dark-brown plumage, an erectile crest on the nape and a larger bill than the female. The females have much paler plumage especially on the neck and underparts. The darters have completely webbed feet and their legs are short and set far back on the body. Their plumage is somewhat permeable, like that of cormorants, and they spread their wings to dry after diving.
Oriental darter (Anhinga melanogaster) - R/NBV - Bukit Gombak, Hindhede Quarry, Kranji, P. Ubin, Singapore Quarry, JLG, Kent Ridge Park, SBWR
Phalacrocoracidae is a family of medium to large coastal, fish-eating seabirds that includes cormorants and shags. Plumage colouration varies, with the majority having mainly dark plumage, some species being black-and-white and a few being colourful.
Great cormorant (Phalacrocorax carbo) - U/F - Changi, JLG, Johor Strait, Kranji Dam, Mandai Mudflat, Tuas
Herons, egrets, and bitterns
Schrenck's bittern (Ixobrychus eurhythmus) - Central Catchment Nature Reserve
The family Ardeidae contains the bitterns, herons and egrets. Herons and egrets are medium to large wading birds with long necks and legs. Bitterns tend to be shorter necked and more wary. Members of Ardeidae fly with their necks retracted, unlike other long-necked birds such as storks, ibises and spoonbills.
Threskiornithidae is a family of large terrestrial and wading birds which includes the ibises and spoonbills. They have long, broad wings with 11 primary and about 20 secondary feathers. They are strong fliers and despite their size and weight, very capable soarers.
The family Pandionidae contains only one species, the osprey. The osprey is a medium-large raptor which is a specialist fish-eater with a worldwide distribution.
Osprey (Pandion haliaetus) - U/NBV - Changi, DFNP, Halus, Henderson Waves, Kranji, Mandai Mudflat, NTL, P. Punggol, P. Tekong, P. Ubin, PRP, SBWR, Sembawang Park, S. Punggol, S. Serangoon
Crested goshawk (Accipiter trivirgatus) perched on the 12th floor balcony of a condominium along Bedok South Avenue 1
Accipitridae is a family of birds of prey, which includes hawks, eagles, kites, harriers and Old World vultures. These birds have powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons and keen eyesight.
The typical owls are small to large solitary nocturnal birds of prey. They have large forward-facing eyes and ears, a hawk-like beak and a conspicuous circle of feathers around each eye called a facial disk.
Sunda scops-owl (Otus lempiji) - C/RB - Alexandra Hill, BBC, BBNP, BTNR, CCNR, HNP, P. Ubin, PRP, SBWR, Sentosa
Oriental scops-owl (Otus sunia) - R/WVPM - Bidadari, BTNR, CCKP, CCNR, DFNP, Fort Canning, Kent Road, KRP, Mimosa Walk, MFP, P. Ubin, Seletar Country Club, SBWR
Buffy fish-owl (Ketupa ketupu) - U/RB - CCNR, JEG, NTL, Poyan, P. Ubin, PRP, SBG, SBWR, Sentosa
Spotted wood-owl (Strix seloputo) - U/RB - Bidadari, Chinatown, City, Dover Road, JLG, PRP, P. Ubin, Poyan, St. John Is., Sentosa, SBG, TBHP, Toa Payoh
Hornbills are a group of birds whose bill is shaped like a cow's horn, but without a twist, sometimes with a casque on the upper mandible. Frequently, the bill is brightly coloured.
Oriental pied hornbill (Anthracoceros albirostris) - C/IRB+RB - Bidadari, Pasir Ris, CCNR, Changi Village, P. Ubin, PRP, SBWR, St. John Is.Pasir Ris Park, Bishan Ang Mo Kio Park, Pulau Ubin
Rhinoceros hornbill (Buceros rhinoceros) - R/NBV - Pulau ubin, Hindhide Nature Park
The bee-eaters are a group of near passerine birds in the family Meropidae. Most species are found in Africa but others occur in southern Europe, Madagascar, Australia and New Guinea. They are characterised by richly coloured plumage, slender bodies and usually elongated central tail feathers. All are colourful and have long downturned bills and pointed wings, which give them a swallow-like appearance when seen from afar.
Rollers resemble crows in size and build, but are more closely related to the kingfishers and bee-eaters. They share the colourful appearance of those groups with blues and browns predominating. The two inner front toes are connected, but the outer toe is not.
The Asian barbets are plump birds, with short necks and large heads. They get their name from the bristles which fringe their heavy bills. Most species are brightly coloured.
Woodpeckers are small to medium-sized birds with chisel-like beaks, short legs, stiff tails and long tongues used for capturing insects. Some species have feet with two toes pointing forward and two backward, while several species have only three toes. Many woodpeckers have the habit of tapping noisily on tree trunks with their beaks.
The cockatoos share many features with other parrots including the characteristic curved beak shape and a zygodactyl foot, with two forward toes and two backwards toes. They differ, however in a number of characteristics, including the often spectacular movable headcrest.
Tanimbar corella (Cacatua goffiniana)[16] - U/IRB - Bidadari, BBNP, Changi Village, LNR, Malcolm Park, MFP, PRP SBG, Sembawang Park, Sentosa, Springleaf
Yellow-crested cockatoo (Cacatua sulphurea) - U/IRB - Bidadari, BAMKP, Changi Village, Clementi, Dover Road, LNR, Malcolm Park, St. John Is., Sentosa, SBG, Southern Ridges
Characteristic features of parrots include a strong curved bill, an upright stance, strong legs, and clawed zygodactyl feet. Many parrots are vividly coloured, and some are multi-coloured. In size they range from 8cm (3.1in) to 1m (3.3ft) in length. Old World parrots are found from Africa east across south and southeast Asia and Oceania to Australia and New Zealand.
The broadbills are small, brightly coloured birds which feed on fruit and also take insects in flycatcher fashion, snapping their broad bills. Their habitat is canopies of wet forests.
Green broadbill (Calyptomena viridis) - VR/NBV - East Coast Park (2014), P. Ubin (2014, 2021)
The broadbills are small, brightly coloured birds which feed on fruit and also take insects in flycatcher fashion, snapping their broad bills. Their habitat is canopies of wet forests.
Pittas are medium-sized by passerine standards and are stocky, with fairly long, strong legs, short tails and stout bills. Many are brightly coloured. They spend the majority of their time on wet forest floors, eating snails, insects and similar invertebrates.
Blue-winged pitta (Pitta moluccensis) - U/WVPM+R/RB - WVPM: Bidadari, BBNP, BTNR, Bukit Batok West, CCNR, Hougang, Jurong Is., JLG, NTL, PRP, Poyan, Punggol Park, SBG, Sembawang Park, Tuas, WCP, Kranji Nature Trail. RB: P. Ubin (2016)[17]
The cuckooshrikes are small to medium-sized passerine birds. They are predominantly greyish with white and black, although some species are brightly coloured.
The ioras are bulbul-like birds of open forest or thorn scrub, but whereas that group tends to be drab in colouration, ioras are sexually dimorphic, with the males being brightly plumaged in yellows and greens.
The drongos are mostly black or dark grey in colour, sometimes with metallic tints. They have long forked tails, and some Asian species have elaborate tail decorations. They have short legs and sit very upright when perched, like a shrike. They flycatch or take prey from the ground.
Black drongo (Dicrurus macrocercus) - U/WVPM - Changi, Halus, NTL, P. Punggol, Poyan, Punggol, SBWR, Seletar, Tuas
Shrikes are passerine birds known for their habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. A typical shrike's beak is hooked, like a bird of prey.
The Paridae are mainly small stocky woodland species with short stout bills. Some have crests. They are adaptable birds, with a mixed diet including seeds and insects.
Larks are small terrestrial birds with often extravagant songs and display flights. Most larks are fairly dull in appearance. Their food is insects and seeds.
The Cisticolidae are warblers found mainly in warmer southern regions of the Old World. They are generally very small birds of drab brown or grey appearance found in open country such as grassland or scrub.
The members of this family are usually rather large for "warblers". Most are rather plain olivaceous brown above with much yellow to beige below. They are usually found in open woodland, reedbeds, or tall grass. The family occurs mostly in southern to western Eurasia and surroundings, but it also ranges far into the Pacific, with some species in Africa.
Locustellidae are a family of small insectivorous songbirds found mainly in Eurasia, Africa, and the Australian region. They are smallish birds with tails that are usually long and pointed, and tend to be drab brownish or buffy all over.
The family Hirundinidae is adapted to aerial feeding. They have a slender streamlined body, long pointed wings and a short bill with a wide gape. The feet are adapted to perching rather than walking, and the front toes are partially joined at the base.
Bank swallow (Riparia riparia) - U/WVPM - BTNR, CCNR, Changi, Halus, Kranji Marsh, LSD, Marina East, NTL, P. Punggol
Bulbuls are medium-sized songbirds. Some are colourful with yellow, red or orange vents, cheeks, throats or supercilia, but most are drab, with uniform olive-brown to black plumage. Some species have distinct crests.
Leaf warblers are a family of small insectivorous birds found mostly in Eurasia and ranging into Wallacea and Africa. The species are of various sizes, often green-plumaged above and yellow below, or more subdued with greyish-green to greyish-brown colours.
The white-eyes are small and mostly undistinguished, their plumage above being generally some dull colour like greenish-olive, but some species have a white or bright yellow throat, breast or lower parts, and several have buff flanks. As their name suggests, many species have a white ring around each eye.
These small to medium-sized songbirds have soft fluffy plumage but are otherwise rather diverse. Members of the genus Illadopsis are found in forests, but some other genera are birds of scrublands.
The members of this family are diverse in size and colouration, though those of genus Turdoides tend to be brown or greyish. The family is found in Africa, India, and southeast Asia.
White-crested laughingthrush (Garrulax leucolophus) - C/IRB - Bukit Batok Nature Park, Hindhede Nature Park, Southern Ridges
Nuthatches are small woodland birds. They have the unusual ability to climb down trees head first, unlike other birds which can only go upwards. Nuthatches have big heads, short tails and powerful bills and feet.
Starlings are small to medium-sized passerine birds. Their flight is strong and direct and they are very gregarious. Their preferred habitat is fairly open country. They eat insects and fruit. Plumage is typically dark with a metallic sheen.
The thrushes are a group of passerine birds that occur mainly in the Old World. They are plump, soft plumaged, small to medium-sized insectivores or sometimes omnivores, often feeding on the ground. Many have attractive songs.
Old World flycatchers are a large group of small passerine birds native to the Old World. They are mainly small arboreal insectivores. The appearance of these birds is highly varied, but they mostly have weak songs and harsh calls.
The sunbirds and spiderhunters are very small passerine birds which feed largely on nectar, although they will also take insects, especially when feeding young. Flight is fast and direct on their short wings. Most species can take nectar by hovering like a hummingbird, but usually perch to feed.
The weavers are small passerine birds related to the finches. They are seed-eating birds with rounded conical bills. The males of many species are brightly coloured, usually in red or yellow and black, some species show variation in colour only in the breeding season.
The estrildid finches are small passerine birds of the Old World tropics and Australasia. They are gregarious and often colonial seed eaters with short thick but pointed bills. They are all similar in structure and habits, but have wide variation in plumage colours and patterns.
Orange-cheeked waxbill (Estrilda melpoda) - U/IRB - BAMKP, Coney Is., JLG, NTL, P. Punggol, S. Pandan, SBTB
Common waxbill (Estrilda astrild) - U/IRB - Coney Is., Halus, JLG, Marina East, NTL, P. Punggol, Punggol, SBWR
The indigobirds are finch-like species which usually have black or indigo predominating in their plumage. All are brood parasites which lay their eggs in the nests of estrildid finches.
Old World sparrows are small passerine birds. In general, sparrows tend to be small, plump, brown or grey birds with short tails and short powerful beaks. Sparrows are seed eaters, but they also consume small insects.
Motacillidae is a family of small passerine birds with medium to long tails. They include the wagtails, longclaws and pipits. They are slender, ground feeding insectivores of open country.
Forest wagtail (Dendronanthus indicus) - U/WVPM - Admiralty Park, BBNP, Bidadari, BTNR, CCNR, Jurong Central Park, Mandai, P. Ubin, Sembawang, Simpang, SBWR, Yishun
Gray wagtail (Motacilla cinerea) - U/WVPM - Admiralty Park, BAMKP, Bedok, Bt Batok, BTNR, Buona Vista, CCNR, Changi, JLG, Marsiling Park, Punggol, P. Punggol, P. Ubin, Sembawang, Simpang, Yishun
Eastern yellow wagtail (Motacilla tschutschensis) - C/WV - Bidadari, Changi, Halus, LSD, NTL, P. Punggol, P. Ubin, Punggol, Sembawang, Yishun
The emberizids are a large family of passerine birds. They are seed-eating birds with distinctively shaped bills. Many emberizid species have distinctive head patterns.
The Mass Rapid Transit system, locally known by the initialism MRT, is a rapid transit system in Singapore and the island country's principal mode of railway transportation. The system commenced operations in November 1987 after two decades of planning with an initial 6 km (3.7 mi) stretch consisting of five stations. The network has since grown to span the length and breadth of the country's main island – with the exception of the forested core and the rural northwestern region – in accordance with Singapore's aim of developing a comprehensive rail network as the backbone of the country's public transportation system, averaging a daily ridership of 3.4 million in 2019.
Pulau Ubin, also simply known as Ubin, is an island situated in the north east of Singapore, to the west of Pulau Tekong. The granite quarry used to be supported by a few thousand settlers on Pulau Ubin in the 1960s, but only about 40 villagers remained as of 2012. It is one of the last rural areas to be found in Singapore, with an abundance of natural flora and fauna. The island forms part of the Ubin–Khatib Important Bird Area (IBA), identified as such by BirdLife International because it supports significant numbers of visiting and resident birds, some of which are threatened. Today, the island is managed by the National Parks Board, compared to 12 agencies managing different areas of the island previously.
Pasir Ris is a planning area and residential town located in the East Region of Singapore. It is bordered by Tampines and Paya Lebar to the south, Sengkang to the southwest and Changi to the east. The planning area also shares riverine boundary with Punggol to the west, separated by the Serangoon River, as well as having a maritime boundary with the North-Eastern Islands planning area, across the Straits of Johor.
The Nature Society (Singapore) (NSS) is a non-government, non-profit organisation centered towards the preservation and appreciation of Singapore's natural heritage, as well as that of the surrounding region. Run by volunteers, the NSS depends financially on its members' contributions as well as companies, institutions and individuals.
The following lists events that happened during 1999 in the Republic of Singapore.
Syonan, officially Syonan Island, was the name for Singapore when it was occupied and ruled by the Empire of Japan, following the fall and surrender of British military forces on 15 February 1942 during World War II.
Rail transport in Singapore mainly consists of a passenger urban rail transit system spanning the entire city-state: a rapid transit system collectively known as the Mass Rapid Transit (MRT) system operated by the two biggest public transport operators SMRT Trains and SBS Transit, as well as several Light Rail Transit (LRT) rubber-tyred automated guideway transit lines also operated by both companies. In addition, local specialised light rail lines are in operation in places such as the Singapore Changi Airport and Sentosa.
This is a list of Singapore-related articles by alphabetical order. To learn quickly what Singapore is, see Outline of Singapore. Those interested in the subject can monitor changes to the pages by clicking on Related changes in the sidebar. A list of to do topics can be found here.
This article shows the notable future developments in Singapore. Most of them are currently under construction with most to be completed within the next five years.
The Police Coast Guard (PCG) is a division of the Singapore Police Force that combines the functions of marine police and coast guard in Singapore. Its duties include the law enforcement and search and rescue operations in collaboration with the Maritime and Port Authority of Singapore and the Immigration and Checkpoints Authority. It is headquartered at Brani Regional Base on Pulau Brani.
Singapore has about 65 species of mammals, 390 species of birds, 110 species of reptiles, 30 species of amphibians, more than 300 butterfly species, 127 dragonfly species, and over 2,000 recorded species of marine wildlife.
Serangoon Harbour is a harbour in Singapore located between the mainland island of Singapore and Pulau Ubin.
The following lists events that happened during 2007 in the Republic of Singapore.
Occasionally, some parts of Singapore are inundated by floods, usually in the form of flash floods that came about due to intense rainfall over a short period of time. Floods in Singapore are much less severe than floods in other countries, often only lasting a few hours before dissipating on its own.
The following lists events that happened during 2011 in the Republic of Singapore.
The following lists events that happened during 2013 in the Republic of Singapore.
The following lists events that happened during 2014 in the Republic of Singapore.
↑ Roselaar, C.S.; J.P. Michels. ". Systematic notes on Asian birds. 48. Nomenclatural chaos untangled, resulting in the naming of the formally undescribed Cacatua species from the Tanimbar Islands, Indonesia (Psittaciformes: Cacatuidae)". Zool. Verh. Leiden. 350: 183–196.
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