The place got its name from a pond that had dark water at ancient times.
Archeological remains
The site was initially settled in the 2nd century BC. The remains in the site include inscriptions, residences and a monastery.
Kaludiya Pokuna is also rich with numerous biodiversity, both flora and fauna. The forest is home for many endemic and non-endemic species of flora and fauna, that prevail much more secure than other forests in Sri Lanka.
Site is surrounded by farmland and human settlements from the north, east, and west but is undisturbed by humans and the primates are not provisioned. There is no evidence to indicate that hunting, timber extraction, or woodcutting have occurred at the site.
Forest is composed of many endemic and highly valuable trees and shrubs. The majority of flora are in the family Euphorbiaceae. Plants like Hydnocarpus venenata, Mischodon zeylanicus, Lepisanthes senegalensis, Grewia rothii, Ficus microcarpa, Mussaenda frondosa, Drypetes sepiaria, Mallotus eriocarpus, Manilkara hexandra, Dimocarpus longan, and Tetrameles nudiflora are abundant. Plants of family Ebenaceae, such as Diospyros ebenum, Diospyros malabarica, Diospyros oocarpa, and Diospyros ovalifolia, which has large timber value, are enormous without any human conflict.
Kaludiya Pokuna is rich with its populations of primate species mainly, where many researches on primates based on this site, especially on tufted gray langur and purple-faced langur. Besides them, forest is also home for the other primates in Sri Lanka, such as toque macaque and red slender loris and other herbivorous mammals, such as Asian elephants (Elephas maximus), spotted deer (Axis axis), sambar (Rusa unicolor), and wild boar (Sus scrofa). The area is also home to a full complement of potential predators such as black eagles (Ictinaetus malaiensis), crested serpent eagles (Spilornis cheela), brahminy kites (Haliastur indus), white-bellied sea eagles (Haliaeetus leucogaster), leopards (Panthera pardus), fishing cats (Prionailurus viverrinus) and Indian rock pythons (Python molurus).
Endemic snakes such as Sri Lanka flying snake, Boiga barnesii, Dendrelaphis bifrenalis, Dendrelaphis oliveri, Oligodon sublineatus are frequently seen. Venomous snakes like Indian cobra, Russell's viper and Hypnale hypnale. Numerous types of skinks and lizards are also found.
The avian diversity is much more high than all other faunal categories at Kaludiya Pokuna. It is about 120 species of birds paradise. Most common birds are Indian cormorant, Oriental darter, Indian pond heron, cattle egret, black-headed ibis and common peafowl.
Endemic birds like Sri Lanka spurfowl, Sri Lanka junglefowl, Sri Lanka grey hornbill, brown-capped babbler, Sri Lanka green pigeon, crimson-fronted barbet, greater flameback, greater racket-tailed drongo, black-capped bulbul can be seen without disturbances. It means out of 33 endemic species, 80% of endemic birds are found in Kaludiya Pokuna.
Both types of monitor lizards - Bengal monitor and water monitor, can be seen in Kaludiya Pokuna.
Butterflies and moths are also frequent in Kaludiya Pokuna. Species like crimson rose, common Mormon, Ceylon rose, common rose, common cerulean, common Indian crow, Lemon emigrant are common.
The following list provide the fauna of Kaludiya Pokuna Archeological Forest Reserve.
Spot-billed pelican Pelecanus philippensisLittle cormorant Microcarbo nigerIndian cormorant Phalacrocorax fuscicollisGreater cormorant Phalacrocorax carboIndian darter Anhinga melanogasterLittle egret Egretta garzettaGreat egret Ardea albaGray heron Ardea cinereaPurple heron Ardea purpureaCattle egret Bubulcus ibisIndian pond heron Ardeola grayiiIntermediate egret Mesophoyx intermediaEurasian openbill Anastomus oscitansLesser adjutant Leptoptilos javanicusBlack-headed ibis Threskiornis melanocephalusEurasian spoonbill Platalea leucorodiaLesser whistling duck Dendrocygna javanicaWhite-breasted waterhen Amaurornis phoenicurusPurple coot Porphyrio porphyrioPheassant-tailed jacana Hydrophasianus chirurgusYellow-wattled lapwing Vanellus indicusWhiskered tern Chlidonias hybridaStrok-billed kingfisher Pelargopsis capensisWhite-throated kingfisher Halcyon smyrnensisJerdon's baza Aviceda jerdoniOriental honey buzzard Pernis ptilorhynchusBrahminy kite Haliastur indusWhite-bellied sea eagle Haliaeetus leucogasterGray-headed fishing eagle Ichthyophaga ichthyaetusCrested serpent eagle Spilornis cheelaShikra Accipiter badiusBlack eagle Ictinaetus malaiensisChangeable hawk eagle Nisaetus cirrhatusShaheen falcon Falco peregrinus peregrinatorBlue-breasted quail Coturnix chinensisSri Lanka spur fowl Galloperdix bicalcarata - endemicSri Lanka jungle fowl Gallus lafayetii - endemicIndian peafowl Pavo cristatusEmerald dove Chalcophaps indicaSri Lanka green pigeon Treron pompadoraGreen imperial pigeon Ducula aeneaSpotted dove Spilopelia chinensisAlexandrine parakeet Psittacula eupatriaRose-ringed parakeet Psittacula krameriBlue-faced malkoha Phaenicophaeus viridirostrisAsian koel Eudynamys scolopaceusGreater coucal Centropus sinensisOriental scops owl Otus suniaCollared scops owl Otus bakkamoenaForest eagle owl Bubo nipalensisJerdon's nightjar Caprimulgus atripennisIndian swiflet Aerodramus unicolorAsian palm swift Cypsiurus balasiensisLittle swift Apus affinisLittle green bee-eater Merops orientalisBlue-tailed bee-eater Merops philippinusChestnut-headed bee-eater Merops leschenaultiIndian roller Coracias benghalensisMalabar pied hornbill Anthracoceros coronatusSri Lanka gray hornbill Ocyceros gingalensis - endemicBrown-headed barbet Megalaima zeylanicaCrimson-fronted barbet Megalaima rubricapillus - endemicCoppersmith barbet Megalaima haemacephalaGolden-backed woodpecker Dinopium benghalenseGreater flameback Chrysocolaptes stricklandi - endemicIndian pitta Pitta brachyuraBarn swallow Hirundo rusticaRed-rumped swallow Hirundo hyperythra - endemicPaddyfield pipit Anthus rufulusFlame minivet Pericrocotus flammeusSri Lanka woodshrike Tephrodornis affinis - endemicIndian paradise flycatcher Terpsiphone paradisiBlack-naped monarch Hypothymis azureaWhite-browed fantail Rhipidura aureolaBlack-capped bulbul Pycnonotus melanicterus - endemicRed-venter bulbul Pycnonotus caferWhite-browed bulbul Pycnonotus luteolusBlack bulbul Hypsipetes ganeesaCommon iora Aegithina tiphiaGolden-fronted leafbird Chloropsis aurifronsJerdon's leafbird Chloropsis jerdoniAsian brown flycatcher Muscicapa latirostrisKashmir flycatcher Ficedula subrubraTickell's blue flycatcher Cyornis tickelliaeOriental magpie robin Copsychus saularisWhite-rumped shama Copsychus malabaricusBlack-backed robin Saxicoloides fulicatusBrown-capped babbler Pellorneum fuscocapillusYellow-billed babbler Turdoides affinisGray-breasted prinia Prinia hodgsoniiAshy prinia Prinia socialisLarge prinia Prinia sylvaticaCommon tailorbird Orthotomus sutoriusPale-billed flowerpecker Dicaeum erythrorhynchosPurple-rumped sunbird Leptocoma zeylonicaPurple sunbird Cinnyris asiaticusOriental white-eye Zosterops palpebrosusWhite-rumped munia Lonchura striataScaly-breasted munia Lonchura punctulataCommon mynah Acridotheres tristisIndian golden oriole Oriolus kundooBlack-hooded oriole Oriolus xanthornusBlack drongo Dicrurus macrocercusRacket-tailed drongo Dicrurus paradiseusJungle crow Corvus macrorhynchosIndian rock python Python molurusGreen vine snake Ahaetulla nasutaBrown vine snake Ahaetulla pulverulentaCommon rough-sided snake Aspidura trachyproctaBarnes' cat snake Boiga barnesiiSri Lanka cat snake Boiga ceylonensisForsten's cat snake Boiga forsteniCommon cat snake Boiga trigonataSri Lanka flying snake Chrysopelea taprobanica - endemicCommon bronzeback tree snake Dendrelaphis tristisGreen keelback snake Macropisthodon plumbicolorBanded kukri Oligodon arnensisCommon rat snake Ptyas mucosaBlack-headed snake Sibynophis subpunctatusCheckered keelback water snake Xenochrophis piscatorIndian cobra Naja najaBrahminy blind snake Ramphotyphlops braminusJan's blind snake Typhlops mirusPhillips' shieldtail Uropeltis phillipsiRussell's viper Daboia russeliiHump-nosed viper Hypnale hypnaleSri Lanka green pit viper Trimeresurus trigonocephalusCommon green forest lizard Calotes calotesPainted-lipped lizard Calotes ceylonensisWhistling lizard Calotes liolepisOriental garden lizard Calotes versicolorLowland kangaroo lizard Otocryptis nigristigmaFan-throated lizard Sitana ponticerianaSmall day gecko Cnemaspis podihunaBlotched ground gecko Geckoella yakhunaKandian gecko Hemidactylus depressusBark gecko Hemidactylus leschenaultiiHaly's tree skink Dasia halianaCommon supple skink Lankascincus fallaxCommon skink Eutropis carinataRock skink Eutropis maculariaSpotted skink Eutropis madarasziSarasin's snake skink Nessia sarasinorumLand monitor Varanus benghalensisWater monitor Varanus salvatorMugger Crocodylus palustrisBlack turtle Melanochelys trijugaStar tortoise Geochelone elegansAsian elephant Elephas maximusGray slender loris Loris lydekkerianus - ssp.nordicusTufted gray langur Semnopithecus priam - ssp.thersitesPurple-faced leaf monkey Trachypithecus vetulus - ssp.philbrickiToque macaque Macaca sinica - ssp.sinicaGrizzled giant squirrel Ratufa macroura - ssp.dandolenaIndian palm squirrel Funambulus palmarumIndian gerbil Tatera indicaLesser bandicoot rat Bandicota bengalensisIndian field mouse Mus boodugaBlack rat Rattus rattusIndian porcupine Hystrix indicaBlack-naped hare Lepus nigricollisPygmy shrew Suncus etruscusFulvous fruit bat Rousettus leschenaultiiIndian flying fox Pteropus giganteusFishing cat Prionailurus viverrinusJungle cat Felis chausGolden jackal Canis aureusCommon palm civet Paradoxurus hermaphroditusGolden palm civet Paradoxurus zeylonensisSmall Indian civet Viverricula indicaIndian gray mongoose Herpestes edwardsiiRuddy mongoose Herpestes smithiiEurasian otter Lutra lutraWild boar Sus scrofaIndian muntjac Muntiacus muntjakSpotted deer Axis axisSambar Rusa unicolor