Species of Thailand
Binomial name: Acridotheres tristis, Carolus Linnaeus, 1766
The common myna (Acridotheres tristis), sometimes spelled mynah, also sometimes known as "Indian myna", is a member of the family Sturnidae (starlings and mynas) native to Asia. An omnivorous open woodland bird with a strong territorial instinct, the myna has adapted extremely well to urban environments.
The range of the common myna is increasing at such a rapid rate that in 2000 the IUCN Species Survival Commission declared it one of the world's most invasive species and one of only three birds in the top 100 species that pose an impact to biodiversity, agriculture and human interests. In particular, the species poses a serious threat to the ecosystems of Australia where it was named "The Most Important Pest/Problem".
The common myna is readily identified by the brown body, black hooded head and the bare yellow patch behind the eye. The bill and legs are bright yellow. There is a white patch on the outer primaries and the wing lining on the underside is white. The sexes are similar and birds are usually seen in pairs.
The common myna obeys Gloger's rule in that the birds from northwest India tend to be paler than their darker counterparts in South India.
- Body length: 23 cm
|Average weight (gms)||109.8||120-138|
|Wing chord (mm)||138-153||138-147|
It is a species of bird native to Asia with its initial home range spanning from Iran, Pakistan, India, Nepal, Bhutan, Bangladesh and Sri Lanka; as well as Afghanistan, Tajikistan, Turkmenistan, Myanmar, to Malaysia, Singapore, peninsular Thailand, Indo-China and China.
The myna has been introduced in many other parts of the world such as Canada, Australia, Israel, New Zealand, New Caledonia, Hawaii, South Africa, Kazakhstan, Kyrgyzstan, Uzbekistan and islands in the Indian Ocean (Seychelles, Mauritius, Réunion, Madagascar, Maldives, Andaman and Nicobar Islands and Lakshadweep archipelago) and also in islands of the Atlantic and Pacific Oceans. The range of the common myna is increasing to the extent that in 2000 the IUCN Species Survival Commission declared it among the World's 100 worst invasive species.
The etymology of the scientific name is as follows:
- Acridotheres: Greek akris, akrodos, a locust; theres, a hunter.
- tristis: Latin tristis, sad, gloomy; Modern Latin tristis, dull-coloured).
Taxonomy and subspecies
The common myna has two subspecies:
- Acridotheres tristis tristis (Linnaeus, 1758). Widespread, including Sri Lanka.
- A. t. melanosternus Legge, 1879. Endemic to Sri Lanka.
The subspecies melanosternus is darker than the nominate subspecies, has half-black and half-white primary coverts and has a larger yellow cheek-patch. The type locality of the nominate subspecies is Puducherry, India.
The calls includes croaks, squawks, chirps, clicks, whistles and 'growls', and the bird often fluffs its feathers and bobs its head in singing. The common myna screeches warnings to its mate or other birds in cases of predators in proximity or when it is about to take off flying. Common mynas are popular as cage birds for their singing and "speaking" abilities. Before sleeping in communal roosts, mynas vocalise in unison, which is known as "communal noise".
Common mynas are believed to pair for life. They breed through much of the year depending on the location, building their nest in a hole in a tree or wall. They breed from sea-level to 3000 m in the Himalayas.
The normal clutch size is 4–6 eggs. The average size of the egg is 30.8 x 21.99 mm. The incubation period is 17 to 18 days and fledging period is 22 to 24 days. The Asian koel is sometimes brood parasitic on this species. Nesting material used by mynas include twigs, roots, tow and rubbish. Mynas have been known to use tissue paper, tin foil and sloughed off snake-skin.
During the breeding season, the daytime activity-time budget of common myna in Pune in April to June 1978 has been recorded to comprise the following: nesting activity (42%), scanning the environment (28%), locomotion (12%), feeding (4%), vocalisation (7%) and preening-related activities, interactions and other activities (7%).
The common myna uses the nests of woodpeckers, parakeets, etc. and easily takes to nest boxes; it has been recorded evicting the chicks of previously nesting pairs by holding them in the beak and later sometimes not even using the emptied nest boxes. This aggressive behaviour contributes to its success as an invasive species.
Food and feeding
Like most starlings, the common myna is omnivorous. It feeds on insects, arachnids, crustaceans, reptiles, small mammals, seeds, grain and fruits and discarded waste from human habitation. It forages on the ground among grass for insects, and especially for grasshoppers, from which it gets the generic name Acridotheres, "grasshopper hunter". It however feeds on a wide range of insects, mostly picked from the ground. It is a cross-pollinator of flowers such as Salmalia and Erythrina. It walks on the ground with occasional hops and is an opportunistic feeder on the insects disturbed by grazing cattle as well as fired grass fields.
Common mynas roost communally throughout the year, either in pure or mixed flocks with jungle mynas, rosy starlings, house crows, jungle crows, cattle egrets and rose-ringed parakeets and other birds. The roost population can range from less than one hundred to thousands. The time of arrival of mynas at the roost starts before and ends just after sunset. The mynas depart before sunrise. The time and timespan of arrival and departure, time taken for final settlement at the roost, duration of communal sleep, flock size and population vary seasonally.
The function of communal roosting is to synchronise various social activities, avoid predators, exchange information about food sources.
Communal displays (pre-roosting and post-roosting) consist of aerial maneuvers which are exhibited in the pre-breeding season (November to March). It is assumed that this behaviour is related to pair formation.
This abundant passerine is typically found in open woodland, cultivation and around habitation. Although this is an adaptable species, its population has been decreasing significantly in Singapore and Malaysia (where it is locally called as gembala kerbau, literally 'buffalo shepherd') due to competition with its cousin, the introduced Javan myna.
The common myna thrives in urban and suburban environments; in Canberra, for instance, 110 common mynas were released between 1968 and 1971. By 1991, common myna population density in Canberra averaged 15 birds per square kilometer. Only three years later, a second study found an average population density of 75 birds per square kilometer in the same area.
The bird likely owes its success in the urban and suburban settings of Sydney and Canberra to its evolutionary origins; having evolved in the open woodlands of India, the common myna is pre-adapted to habitats with tall vertical structures and little to no vegetative ground cover, features characteristic of city streets and urban nature preserves.
The common myna (along with European starlings, house sparrows, and feral rock pigeons) is a nuisance to city buildings; its nests block gutters and drainpipes, causing water damage to building exteriors.
The IUCN declared this myna as one of the only three birds among the world's 100 worst invasive species. (The other two invasive birds are the red-vented bulbul and the European starling.)
It has been introduced widely elsewhere, including adjacent areas in Southeast Asia, Madagascar, the Middle East, South Africa, Madagascar, Israel, United States, Argentina, Germany, United Kingdom, Australia, New Zealand and various oceanic islands in the Indian and Pacific Oceans, including prominent populations in Fiji and Hawaii.
The common myna is a pest in South Africa, North America, the Middle East, Australia, New Zealand and many Pacific islands. It is particularly problematic in Australia. Several methods have been tried to control the bird's numbers and protect native species.
In Australia, the common myna is an invasive pest. They are now often the predominant bird in urban areas all along the East coast. In a 2008 popular vote, the bird was named "The Most Important Pest/Problem" in Australia, also earning the nickname "flying rats" due to their scavenging resembling that of rats.
The common myna was first introduced to Australia in Victoria between 1863 and 1872 into Melbourne’s market gardens to control insects. The bird is likely to have spread to New South Wales (where it is currently most populous) at around the same time, but documentation is uncertain. The bird was later introduced to Queensland as a predator of grasshoppers and cane beetles. Currently, common myna populations in Australia are concentrated along the eastern coast around Sydney and its surrounding suburbs, with sparser populations in Victoria and a few isolated communities in Queensland. During 2009 several municipal councils in New South Wales began trials of catching myna birds in an effort to reduce numbers.
The bird can live and breed in a wide range of temperatures, ranging from the harsh winters of Canberra to the tropical climate of Cairns. Self-sustaining populations of common myna have been found in regions of mean warmest month temperature no less than 23.2 °C and mean coldest month temperature no less than -0.4 °C, implying that the common myna could potentially spread from Sydney northward along the eastern coast to Cairns and westward along the southern coast to Adelaide (though not to Tasmania, Darwin, or the arid interior regions).
The Indian myna was introduced to both the North Island and South Island of New Zealand in the 1870s. However, the cooler summer temperatures in the South Island appear to have impeded the breeding success rate of the southern populations, preventing the proliferation of the species, which was largely non-existent there by the 1890s. In contrast, the North Island population was able to breed more successfully and large portions of the North Island are now populated. However, in the southern reaches of the North Island, the cooler summer temperatures, like those of the South Island, have prevented the establishment of large Indian myna populations.
In South Africa where it escaped into the wild in 1902, it has become very common and its distribution is greater where human populations are greater or where there is more human disturbance. The bird is also notorious for being a pest, kicking other birds out of their nests and killing their young due to the myna's strong territorial instinct. In South Africa it is considered somewhat of a major pest and disturbance of the natural habitat; as a result, they are frequently shot and killed by people in urban environments and farmers alike. Bylaws in South Africa pertaining to the protection of most animal species specifically exclude mynas from this protection.
Morphological studies show that the process of spatial sorting is at work on the range expansion of A. tristis in South Africa. Dispersal-relevant traits are significantly correlated with distance from the range core, with strong sexual dimorphism, indicative of sex-biased dispersal. Morphological variations are significant in wing and head traits of females, suggesting females as the primary dispersing sex. In contrast, traits not related to dispersal such as those associated with foraging show no signs of spatial sorting but are significantly affected by environmental variables such as vegetation and intensity of urbanisation.
To study the invasion genetics and landscape-scale dynamics of A. tristis, scientists have recently developed 16 polymorphic nuclear microsatellite markers using the next generation sequencing (NGS) approach.
Threat to native birds
The common myna is a hollow-nesting species; that is, it nests and breeds in protected hollows found either naturally in trees or artificially on buildings (for example, recessed windowsills or low eaves). Compared to native hollow-nesting species, the common myna is extremely aggressive, and breeding males will actively defend areas ranging up to 0.83 hectares in size (though males in densely populated urban settings tend to only defend the area immediately surrounding their nests).
This aggressiveness has enabled the common myna to displace many breeding pairs of native hollow-nesters, thereby reducing their reproductive success. In Australia, their aggressiveness has enabled them to chase native birds as large as galahs out of their nests.
The common myna is also known to maintain up to two roosts simultaneously; a temporary summer roost close to a breeding site (where the entire local male community sleeps during the summer, the period of highest aggression), and a permanent all-year roost where the female broods and incubates overnight. Both male and female common mynas will fiercely protect both roosts at all times, leading to further exclusion of native birds.
Threat to crops and pasture
The common myna (which feeds mostly on ground-dwelling insects, tropical fruits such as grapes, plums and some berries and, in urban areas, discarded human food) poses a serious threat to Australian blueberry crops, though its main threat is to native bird species.
In Hawaii, where the common myna was introduced to control pest armyworms and cutworms in sugarcane crops, the bird has helped to spread the robust Lantana camara weed across the islands’ open grasslands. It also has been recorded as the fourth-ranking avian pest in the fruit industry by a 2004 survey of the Hawaiian Farm Bureau and the sixth in number of complaints of avian pests overall.
The common myna widely appears under the name saarika in Indian culture from Vedic times, featuring both in classical Indian literature (Sanskrit) as well as in Prakrit Buddhist texts. The Sankrit term shuksarika, which refers to the rose-ringed parakeet (shuk) and the common myna (saarika), is used to indicate a pair or a couple, probably because both birds are vocal and capable of mimicking human sound.
In Sanskrit literature, the common myna has a number of names, most are descriptive of the appearance or behaviour of the bird. In addition to saarika, the names for the common myna include kalahapriya, which means "one who is fond of arguments" referring to the quarrelsome nature of this bird; chitranetra, meaning "picturesque eyes"; peetanetra (one with yellow eyes) and peetapaad (one with yellow legs).
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- Acridotheres tristis
Least Concern (IUCN3.1)
- Amphawa District, Samut Songkhram
- Ao Manao-Khao Tanyong National Park
- Ao Phang-Nga National Park
- Aranyaprathet District, Sa Kaeo
- Ban Bueng District, Chonburi
- Ban Chang District, Rayong
- Ban Laem District, Phetchaburi
- Ban Lat District, Phetchaburi
- Ban Phai District, Khon Kaen
- Ban Pho District, Chachoengsao
- Ban Phraek District, Phra Nakhon Si Ayutthaya
- Ban Sang District, Prachinburi
- Bang Ban District, Phra Nakhon Si Ayutthaya
- Bang Bua Thong District, Nonthaburi
- Bang Kruai District, Nonthaburi
- Bang Lamung District, Chonburi
- Bang Len District, Nakhon Pathom
- Bang Pa In District, Phra Nakhon Si Ayutthaya
- Bang Pahan District, Phra Nakhon Si Ayutthaya
- Bang Pakong District, Chachoengsao
- Bang Phra Non-hunting Area
- Bang Pu Recreation Centre
- Bang Saphan Noi District, Prachuap Khiri Khan
- Bangkok Province
- Borabue District, Maha Sarakham
- Bueng Boraped Non-hunting Area
- Bueng Khong Long Non-hunting Area
- Buntharik District, Ubon Ratchathani
- Chaiya District, Surat Thani
- Chaiyo District, Ang Thong
- Chaloem Phra Kiat District, Saraburi
- Chaloem Phrakiat Thai Prachan National Park
- Chatturat District, Chaiyaphum
- Chiang Dao District, Chiang Mai
- Chiang Dao Wildlife Sanctuary
- Chiang Khong District, Chiang Rai
- Chiang Saen District, Chiang Rai
- Doi Inthanon National Park
- Doi Lang
- Doi Lo District, Chiang Mai
- Doi Pha Hom Pok National Park
- Doi Phu Kha National Park
- Doi Saket District, Chiang Mai
- Doi Suthep-Pui National Park
- Doi Tao District, Chiang Mai
- Erawan National Park
- Fang District, Chiang Mai
- Hala-Bala Wildlife Sanctuary
- Hang Chat District, Lampang
- Hat Chao Mai National Park
- Hat Noppharat Thara - Mu Ko Phi Phi National Park
- Hat Wanakon National Park
- Hat Yai District, Songkhla
- Hua Hin District, Prachuap Khiri Khan
- Huai Chorakhe Mak Reservoir Non-hunting Area
- Huai Kha Khaeng Wildlife Sanctuary
- Huai Krachao District, Kanchanaburi
- Huai Sala Wildlife Sanctuary
- Huai Talat Reservoir Non-hunting Area
- In Buri District, Sing Buri
- Kabin Buri District, Prachinburi
- Kaeng Khoi District, Saraburi
- Kaeng Krachan District, Phetchaburi
- Kaeng Krachan National Park
- Kaeng Krung National Park
- Kamphaeng Saen District, Nakhon Pathom
- Kanthararom District, Sisaket
- Kantharawichai District, Maha Sarakham
- Kapong District, Phang Nga
- Kaset Sombun District, Chaiyaphum
- Kathu District, Phuket
- Khanom District, Nakhon Si Thammarat
- Khao Ang Rue Nai Wildlife Sanctuary
- Khao Chamao - Khao Wong National Park
- Khao Chong
- Khao Khitchakut National Park
- Khao Laem National Park
- Khao Laem Ya National Park
- Khao Lak - Lam Ru National Park
- Khao Luang National Park
- Khao Nam Khang National Park
- Khao Nan National Park
- Khao Nang Panthurat Forest Park
- Khao Phanom Bencha National Park
- Khao Phra - Bang Khram Wildlife Sanctuary
- Khao Phra Thaeo Wildlife Sanctuary
- Khao Pra Wihan National Park
- Khao Sam Roi Yot National Park
- Khao Sanam Prieng Wildlife Sanctuary
- Khao Soi Dao Wildlife Sanctuary
- Khao Sok National Park
- Khao Yai National Park
- Khao Yoi District, Phetchaburi
- Khemarat District, Ubon Ratchathani
- Khiri Rat Nikhom District, Surat Thani
- Khlong Hoi Khong District, Songkhla
- Khlong Lan National Park
- Khlong Luang District, Pathum Thani
- Khlong Phanom National Park
- Khlong Saeng Wildlife Sanctuary
- Khon San District, Chaiyaphum
- Khuan Khanun District, Phatthalung
- Khun Chae National Park
- Khun Nan National Park
- Khun Tan District, Chiang Rai
- Khung Kraben Non-hunting Area
- Khura Buri District, Phang Nga
- Klaeng District, Rayong
- Ko Chang District, Trat
- Ko Lanta National Park
- Ko Libong
- Ko Phayam
- Ko Phra Thong
- Ko Samui District, Surat Thani
- Ko Sichang District, Chonburi
- Ko Tao
- Kromluang Chumphon Wildlife Sanctuary
- Kui Buri National Park
- Kumphawapi District, Udon Thani
- Kut Thing Non-hunting Area
- Laem Ngop District, Trat
- Laem Pak Bia
- Laem Son National Park
- Lam Nam Kok National Park
- Mae Ai District, Chiang Mai
- Mae Chan District, Chiang Rai
- Mae Fa Luang District, Chiang Rai
- Mae Mo District, Lampang
- Mae Moei National Park
- Mae Ngao National Park
- Mae Ping National Park
- Mae Rim District, Chiang Mai
- Mae Sot District, Tak
- Mae Taeng District, Chiang Mai
- Mae Tha, Lampang District, Lampang
- Mae Wong National Park
- Mu Ko Chang National Park
- Mu Ko Chumphon National Park
- Mu Ko Phetra National Park
- Mu Ko Samet National Park
- Muak Lek District, Saraburi
- Mueang Buriram District, Buriram
- Mueang Chachoengsao District, Chachoengsao
- Mueang Chaiyaphum District, Chaiyaphum
- Mueang Chanthaburi District, Chanthaburi
- Mueang Chiang Mai District, Chiang Mai
- Mueang Chiang Rai District, Chiang Rai
- Mueang Chonburi District, Chonburi
- Mueang Chumphon District, Chumphon
- Mueang Kamphaeng Phet District, Kamphaeng Phet
- Mueang Kanchanaburi District, Kanchanaburi
- Mueang Khon Kaen District, Khon Kaen
- Mueang Krabi District, Krabi
- Mueang Lampang District, Lampang
- Mueang Lamphun District, Lamphun
- Mueang Lopburi District, Lopburi
- Mueang Maha Sarakham District, Maha Sarakham
- Mueang Nakhon Nayok District, Nakhon Nayok
- Mueang Nakhon Pathom District, Nakhon Pathom
- Mueang Nakhon Ratchasima District, Nakhon Ratchasima
- Mueang Nan District, Nan
- Mueang Nong Khai District, Nong Khai
- Mueang Nonthaburi District, Nonthaburi
- Mueang Pan District, Lampang
- Mueang Pathum Thani District, Pathum Thani
- Mueang Pattani District, Pattani
- Mueang Phang Nga District, Phang Nga
- Mueang Phatthalung District, Phatthalung
- Mueang Phayao District, Phayao
- Mueang Phetchabun District, Phetchabun
- Mueang Phetchaburi District, Phetchaburi
- Mueang Phichit District, Phichit
- Mueang Phitsanulok District, Phitsanulok
- Mueang Phuket District, Phuket
- Mueang Prachinburi District, Prachinburi
- Mueang Ranong District, Ranong
- Mueang Ratchaburi District, Ratchaburi
- Mueang Rayong District, Rayong
- Mueang Sa Kaeo District, Sa Kaeo
- Mueang Samut Sakhon District, Samut Sakhon
- Mueang Samut Songkhram District, Samut Songkhram
- Mueang Saraburi District, Saraburi
- Mueang Satun District, Satun
- Mueang Sisaket District, Sisaket
- Mueang Songkhla District, Songkhla
- Mueang Sukhothai District, Sukhothai
- Mueang Suphanburi District, Suphan Buri
- Mueang Surat Thani District, Surat Thani
- Mueang Tak District, Tak
- Mueang Trat District, Trat
- Mueang Udon Thani District, Udon Thani
- Mueang Uttaradit District, Uttaradit
- Nam Nao National Park
- Nam Yuen District, Ubon Ratchathani
- Namtok Phlio National Park
- Namtok Sam Lan National Park
- Ngao Waterfall National Park
- Non Din Daeng District, Buriram
- Non Sang District, Nong Bua Lamphu
- Non Thai District, Nakhon Ratchasima
- Nong Bong Khai Non-hunting Area
- Nong Han Lake
- Nong Plak Phra Ya – Khao Raya Bangsa Non-hunting
- Nong Prue District, Kanchanaburi
- Nong Song Hong District, Khon Kaen
- Nong Suea District, Pathum Thani
- Nong Thung Thong Non-hunting Area
- Nong Waeng Non-hunting Area
- Nong Ya Plong District, Phetchaburi
- Nong Yai Area Development Project Under Royal Init
- Ob Khan National Park
- Omkoi Wildlife Sanctuary
- Pa Sak Chonlasit Dam Non-hunting Area
- Pa Sang District, Lamphun
- Pae Mueang Pee Forest Park
- Pai District, Mae Hong Son
- Pak Chong District, Nakhon Ratchasima
- Pak Khat District, Bueng Kan
- Pak Kret District, Nonthaburi
- Pak Phanang District, Nakhon Si Thammarat
- Pak Phli District, Nakhon Nayok
- Pak Thale
- Pak Tho District, Ratchaburi
- Pang Sida National Park
- Pang Sila Thong District, Kamphaeng Phet
- Pathio District, Chumphon
- Pha Daeng National Park
- Pha Hin Ngam National Park
- Phaisali District, Nakhon Sawan
- Phan District, Chiang Rai
- Phanat Nikhom District, Chonburi
- Phatthana Nikhom District, Lopburi
- Phayuha Khiri District, Nakhon Sawan
- Phimai District, Nakhon Ratchasima
- Pho Prathap Chang District, Phichit
- Phra Nakhon Si Ayutthaya District, Phra Nakhon Si Ayutthaya
- Phu Chong Na Yoi National Park
- Phu Hin Rong Kla National Park
- Phu Khiao District, Chaiyaphum
- Phu Khiao Wildlife Sanctuary
- Phu Langka National Park
- Phu Suan Sai National Park
- Phu Wiang National Park
- Phunphin District, Surat Thani
- Phutthamonthon District, Nakhon Pathom
- Pran Buri District, Prachuap Khiri Khan
- Pran Buri Forest Park
- Ramkhamhaeng National Park
- Ratchasan District, Chachoengsao
- Rattanaburi District, Surin
- Rattanawapi District, Nong Khai
- Sai Noi District, Nonthaburi
- Sai Yok District, Kanchanaburi
- Sai Yok National Park
- Sakaerat Environmental Research Station
- Salak Pra Wildlife Sanctuary
- Salawin National Park
- Samae San Island
- Samut Prakan Province
- San Kala Khiri National Park
- San Sai District, Chiang Mai
- Sanam Bin Reservoir Non-hunting Area
- Sanam Chai Khet District, Chachoengsao
- Sankhaburi District, Chainat
- Sathing Phra District, Songkhla
- Sattahip District, Chonburi
- Sawi District, Chumphon
- Si Maha Phot District, Prachinburi
- Si Racha District, Chonburi
- Si Satchanalai District, Sukhothai
- Si Satchanalai National Park
- Si Thep District, Phetchabun
- Sikao District, Trang
- Similan Islands
- Sirinat National Park
- Sri Nakarin Dam National Park
- Sri Phang-nga National Park
- Su-ngai Kolok District, Narathiwat
- Suk Samran District, Ranong
- Surin Islands
- Ta Phraya National Park
- Taksin Maharat National Park
- Takua Pa District, Phang Nga
- Taphan Hin District, Phichit
- Tarutao National Marine Park
- Tha Chang District, Sing Buri
- Tha Phae District, Satun
- Tha Sala District, Nakhon Si Thammarat
- Tha Takiap District, Chachoengsao
- Tha Wung District, Lopburi
- Tha Yang District, Phetchaburi
- Thai Mueang District, Phang Nga
- Thalang District, Phuket
- Thale Ban National Park
- Thale Noi Non-hunting Area
- Than Sadet - Koh Pha-Ngan National Park
- Thanyaburi District, Pathum Thani
- Thao Kosa Forest Park
- Thap Lan National Park
- Thawat Buri District, Roi Et
- Thong Pha Phum District, Kanchanaburi
- Thong Pha Phum National Park
- Thung Salaeng Luang National Park
- Thung Yai Naresuan Wildlife Sanctuary
- Ton Pariwat Wildlife Sanctuary
- Wang Chan District, Rayong
- Wang Nam Yen District, Sa Kaeo
- Wang Noi District, Phra Nakhon Si Ayutthaya
- Wang Saphung District, Loei
- Wapi Pathum District, Maha Sarakham
- Wat Phai Lom & Wat Ampu Wararam Non-hunting Area
- Wat Tham Erawan Non-hunting Area
- Watthana Nakhon District, Sa Kaeo
- Wiang Chai District, Chiang Rai
- Wiang Kaen District, Chiang Rai
- Yan Ta Khao District, Trang
Range map of Acridotheres tristis in Thailand
Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.
Special thanks to Ton Smits, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.
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