Bangladesh Ramsar wetland
Tanguar haor
192 bird species recorded; the most in February.
Rocky Masum This work was made by Masum-al-Hasan Rocky and released under the license(s) s · CC BY-SA 4.0
This month here
126 species in January.187 species in February.108 species in March.16 species in April.0 species in May.7 species in June.0 species in July.0 species in August.33 species in September.42 species in October.33 species in November.79 species in December.
The birds you are most likely to see in the month you choose, those that come for the season first. It opens on today's month.



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- Resident all year
- Summer visitor comes to breed
- Winter visitor comes for the winter
- Passage migrant in spring and autumn
In numbers
192 species, counted.
Our own rating, from the records only: species (50 points), threatened species (20), migrants (20) and protected status — Ramsar, IBA, SPA, observatory (10).
- 192Speciesrecorded more than once
- 107Migrantssummer, winter or passage visitors
- 4ThreatenedVulnerable, Endangered or Critically Endangered (IUCN)
- 5,529Recordsopen records within 6 km
- 13Raptors
- 26Waders
- 5Gulls & seabirds
- 23Ducks & geese
- 16Herons, ibises & grebes
- 1Storks & cranes
- 77Songbirds
- 31Other birds
From open records (eBird and others, through GBIF, licensed for any use). More birdwatchers mean more records: a quiet place may have more birds than it shows.
The checklist
All 192 species.
By group, with the year in twelve cells: the darker the cell, the more often the bird is recorded that month.
Raptors13 species
- Brahminy KiteHaliastur indus
- Black KiteMilvus migrans
- Greater spotted eagleAquila clanga
- Eastern Marsh-harrierCircus spilonotus
- Black-winged KiteElanus caeruleus
- Western Marsh HarrierCircus aeruginosus
- Pied HarrierCircus melanoleucos
- Peregrine FalconFalco peregrinus
- Grey-headed Fish EagleIcthyophaga ichthyaetusNT
- Indian spotted eagleAquila hastata
- Long-legged BuzzardButeo rufinus
- Hen HarrierCircus cyaneus
- Red-headed FalconFalco chicqueraNT
Waders26 species
- Grey-headed LapwingVanellus cinereus
- Black-tailed GodwitLimosa limosaNT
- Pheasant-tailed JacanaHydrophasianus chirurgus
- RuffCalidris pugnax
- Black-winged StiltHimantopus himantopus
- Northern LapwingVanellus vanellusNT
- Common SandpiperActitis hypoleucos
- Wood SandpiperTringa glareola
- Spotted RedshankTringa erythropus
- Temminck's StintCalidris temminckii
- Marsh SandpiperTringa stagnatilis
- Little StintCalidris minuta
- RedshankTringa totanus
- Kentish PloverCharadrius alexandrinus
- Common SnipeGallinago gallinago
- Bronze-winged JacanaMetopidius indicus
- Red-wattled LapwingVanellus indicus
- Common GreenshankTringa nebularia
- Greater Painted-snipeRostratula benghalensis
- Little PratincoleGlareola lactea
- Green SandpiperTringa ochropus
- Pied AvocetRecurvirostra avosetta
- Pin-tailed SnipeGallinago stenura
- Grey PloverPluvialis squatarolaVU
- Yellow-wattled LapwingVanellus malabaricus
- Pacific Golden PloverPluvialis fulva
Gulls & seabirds5 species
- Brown-headed GullChroicocephalus brunnicephalus
- Black-headed GullChroicocephalus ridibundus
- Whiskered TernChlidonias hybrida
- Gull-billed TernGelochelidon nilotica
- River TernSterna aurantiaVU
Ducks & geese23 species
- Anas poecilorhynchaAnas poecilorhyncha
- Red-crested pochardNetta rufina
- Ferruginous DuckAythya nyrocaNT
- Northern PintailAnas acuta
- GarganeySpatula querquedula
- GadwallMareca strepera
- Northern ShovelerSpatula clypeata
- Eurasian WigeonMareca penelope
- Common PochardAythya ferinaVU
- Eurasian TealAnas crecca
- Tufted DuckAythya fuligula
- Falcated DuckMareca falcata
- MallardAnas platyrhynchos
- Cotton Pygmy GooseNettapus coromandelianus
- Greylag GooseAnser anser
- Baikal TealSibirionetta formosa
- Knob-billed DuckSarkidiornis melanotos
- Ruddy ShelduckTadorna ferruginea
- Lesser Whistling DuckDendrocygna javanica
- Baer's PochardAythya baeriCR
- Common ShelduckTadorna tadorna
- GoosanderMergus merganser
- Bar-headed GooseAnser indicus
Herons, ibises & grebes16 species
- Little CormorantMicrocarbo niger
- Great White EgretArdea alba
- Little EgretEgretta garzetta
- Indian Pond-HeronArdeola grayii
- Glossy IbisPlegadis falcinellus
- Egretta intermediaEgretta intermedia
- Little GrebeTachybaptus ruficollis
- Purple heronArdea purpurea
- Grey HeronArdea cinerea
- Great CormorantPhalacrocorax carbo
- Black-crowned Night-HeronNycticorax nycticorax
- Striated HeronButorides striata
- Oriental DarterAnhinga melanogaster
- Great Crested GrebePodiceps cristatus
- Black-necked IbisThreskiornis melanocephalus
- Indian CormorantPhalacrocorax fuscicollis
Storks & cranes1 species
- Asian Open-bill StorkAnastomus oscitans
Songbirds77 species
- Striated GrassbirdMegalurus palustris
- Black DrongoDicrurus macrocercus
- House CrowCorvus splendens
- Indian Pied MynaGracupica contra
- Barn swallowHirundo rustica
- Large-billed CrowCorvus macrorhynchos
- Black-hooded OrioleOriolus xanthornus
- White WagtailMotacilla alba
- Dusky warblerPhylloscopus fuscatus
- Blyth’s Reed WarblerAcrocephalus dumetorum
- Chestnut-tailed StarlingSturnia malabarica
- Citrine WagtailMotacilla citreola
- Clamorous Reed WarblerAcrocephalus stentoreus
- Black-faced buntingEmberiza spodocephala
- Red-vented BulbulPycnonotus cafer
- Common ChiffchaffPhylloscopus collybita
- Common MynaAcridotheres tristis
- BluethroatLuscinia svecica
- House SparrowPasser domesticus
- Oriental Magpie-robinCopsychus saularis
- Baya WeaverPloceus philippinus
- Rosy PipitAnthus roseatus
- Paddyfield WarblerAcrocephalus agricola
- Black-browed Reed WarblerAcrocephalus bistrigiceps
- Paddyfield PipitAnthus rufulus
- Lanius schachLanius schach
- Richard's PipitAnthus richardi
- Taiga FlycatcherFicedula albicilla
- Red-throated PipitAnthus cervinus
- Brown ShrikeLanius cristatus
- Cinereous TitParus cinereus
- Sand MartinRiparia riparia
- Olive-backed PipitAnthus hodgsoni
- Jungle MynaAcridotheres fuscus
- Common TailorbirdOrthotomus sutorius
- Yellow-browed WarblerPhylloscopus inornatus
- Siberian stonechatSaxicola maurus
- Common IoraAegithina tiphia
- Eastern Yellow WagtailMotacilla tschutschensis
- Pallas’s grasshopper warblerLocustella certhiola
- Rufous TreepieDendrocitta vagabunda
- Thick-billed WarblerIduna aedon
- Zitting CisticolaCisticola juncidis
- Slender-billed OrioleOriolus tenuirostris
- Ashy Wood SwallowArtamus fuscus
- Grey-backed ShrikeLanius tephronotus
- Greenish WarblerPhylloscopus trochiloides
- Eurasian Tree SparrowPasser montanus
- FirethroatLuscinia pectardens
- White-browed WagtailMotacilla maderaspatensis
- Grey-throated MartinRiparia chinensis
- Oriolus kundooOriolus kundoo
- Green MagpieCissa chinensis
- Red-whiskered BulbulPycnonotus jocosus
- Siberian RubythroatLuscinia calliope
- Tickell's Leaf WarblerPhylloscopus affinis
- Locustella thoracicaLocustella thoracica
- Eastern Red-rumped SwallowCecropis daurica
- Grey WagtailMotacilla cinerea
- Oriental SkylarkAlauda gulgula
- Chestnut MuniaLonchura atricapilla
- Slaty-blue FlycatcherFicedula tricolor
- White-tailed StonechatSaxicola leucurus
- Purple-rumped SunbirdLeptocoma zeylonica
- Baikal Bush WarblerLocustella davidi
- Chinese RubythroatCalliope tschebaiewi
- Black-winged CuckooshrikeCoracina melaschistos
- Bank MynaAcridotheres ginginianus
- Plain PriniaPrinia inornata
- Southern Blyth's Leaf-warblerPhylloscopus reguloides
- Lanceolated WarblerLocustella lanceolata
- Spice FinchLonchura punctulata
- White-throated FantailRhipidura albicollis
- Black RedstartPhoenicurus ochruros
- Bristled grassbirdChaetornis striata
- Dicrurus leucophaeusDicrurus leucophaeus
- Oriolus chinensisOriolus chinensis
Other birds31 species
- Western SwamphenPorphyrio porphyrio
- CootFulica atra
- Eastern Spotted DoveSpilopelia chinensis
- Common MoorhenGallinula chloropus
- Common KingfisherAlcedo atthis
- Ruddy-breasted CrakePorzana fusca
- Asian Green Bee-eaterMerops orientalis
- White-breasted KingfisherHalcyon smyrnensis
- WatercockGallicrex cinerea
- White-breasted WaterhenAmaurornis phoenicurus
- Plaintive CuckooCacomantis merulinus
- Eastern Water RailRallus indicus
- Asian Palm-swiftCypsiurus balasiensis
- Eurasian HoopoeUpupa epops
- Rock DoveColumba livia
- House SwiftApus nipalensis
- Baillon's CrakePorzana pusilla
- Cuculus variusCuculus varius
- Fulvous-breasted WoodpeckerDendrocopos macei
- Eurasian Collared DoveStreptopelia decaocto
- Greater CoucalCentropus sinensis
- Common KoelEudynamys scolopaceus
- Common FlamebackDinopium javanense
- Black-rumped FlamebackDinopium benghalense
- Chestnut-headed Bee-eaterMerops leschenaulti
- Himalayan SwiftletAerodramus brevirostris
- Slaty-breasted RailGallirallus striatus
- Pied KingfisherCeryle rudis
- WryneckJynx torquilla
- Blue-tailed Bee-eaterMerops philippinus
- Red Collared DoveStreptopelia tranquebarica
Monthly presence relative to all bird records that month, so a busy month does not inflate every species.
When to go
The most species in February.
Species recorded in each month, with the usual temperature and rain.
- Jan23°/12°12 mm
- Feb27°/14°33 mm
- Mar32°/19°92 mm
- Apr32°/22°358 mm
- May32°/24°516 mm
- Jun31°/25°679 mm
- Jul31°/26°670 mm
- Aug31°/25°528 mm
- Sep30°/25°423 mm
- Oct30°/22°232 mm
- Nov27°/18°23 mm
- Dec24°/14°19 mm
- Bar: species recorded that month.
- Temperature: average maximum / minimum (NASA, 1991–2020).
- Rain: monthly total.
The place
Tanguar haor.
Wetland ecosystem in Sylhet region
Tanguar haor is a wetland of international importance (Ramsar) in Bangladesh.
192 bird species have been recorded here more than once, in 5,529 open records.
The most recorded are the Little Cormorant, the Great White Egret and the Brahminy Kite.
3 species come for the summer, 102 for the winter and 2 only pass through.
4 are threatened worldwide, including Common Pochard, Baer's Pochard and Grey Plover.
The most species are recorded in February.

Get there and watch
- Osmany International Airport (ZYL)nearest airport with scheduled flights · 83 km in a straight lineCar hire at PBH airport (Paro)Discover Cars · sponsored link↗
Plan the visit
A guided walk, a bed nearby, a car.
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
From above
The place and its surroundings.
The satellite image of the 6 × 6 km around the place, with the bird hides, towers and trails that OpenStreetMap shows.

Around, in OpenStreetMap
- bird hides within 6 km
- observation towers within 6 km
- marked trails within 4 km
- visitor centres within 6 km
- viewpoints within 5 km
- car parks within 3 km
- restaurants and cafés within 3 km
- campsites within 10 km
- places to stay within 10 km
Counted in OpenStreetMap, the map anyone can edit. A low number may just mean nobody has mapped it yet.
In our other atlases
Around Tanguar haor.
The lakes, beaches, islands, rivers and mountains around this place, and its night sky, in the family's atlases.
Figures from the sister sites' databases (Wikidata, HydroATLAS, GeoNames, OpenStreetMap). Links open when each site is online.
Photographs
The place, as people saw it.
Other places nearby.
Where these figures come from
| Name and type | Wikidata (Q7683165) · CC0 |
|---|---|
| Birds | 5,529 open bird records within 6 km (GBIF, CC0 and CC BY 4.0 only; mostly eBird, Cornell Lab of Ornithology) |
| See these records | gbif.org |
| Species | GBIF Backbone Taxonomy · CC BY 4.0; Wikidata (CC0); Wikimedia Commons |
| Altitude | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Temperature and rain | NASA POWER (CERES SYN1deg, 2001–2020; MERRA-2) |
| What is around | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
| Sister atlases | Peakyas, Lakeyas |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?
Same idea, other landscapes: field atlases built on open data, in seven languages.






