Blackwater and riparian forest along the Sebangau River in Sebangau National Park
Blackwater and riparian forest along the Sebangau River in Sebangau National ParkMankdhay rahman · Wikimedia Commons · CC BY-SA 4.0 · Cropped · Original
Wildlife observation · Central Kalimantan

Beyond the canopy: smaller lives in the Sebangau landscape

Pitcher plants, frogs, freshwater fish and a dragonfly broaden the wildlife story beyond its best-known primates.

Overview

An iconic mammal can introduce a landscape, but it cannot represent all of its biodiversity. Central Kalimantan’s smaller organisms invite us to look at different scales. A pitcher near the ground, a frog heard at night and a fish sampled in blackwater each provides another way to understand the relationships between forest and water.

Sources & references · 14Directorate General KSDAE, Ministry of Forestry · Profil TN SebangauDirectorate General KSDAE · Pembahasan Revisi Zona Taman Nasional SebangauSebangau National Park Authority · Menteri LHK Berkunjung ke Taman Nasional SebangauIndonesia Ministry of Tourism, JADesta · Explore Taman Nasional SebangauBMKG Tjilik Riwut Meteorological Station · Seasonal climate information for Central KalimantanIAIN Palangka Raya · Nepenthes ampullaria: documented occurrenceRoyal Botanic Gardens, Kew · Nepenthes ampullaria: accepted name and rangeSingapore National Parks Board · Nepenthes ampullaria: reference profileUniversitas Gadjah Mada · Simson (2023), Spatial and temporal acoustic distribution of Polypedates colletti and Pulchrana baramica in Tahawa Village Forest, Central KalimantanUniversitas Palangka Raya · Maulidi et al. (2020), Inventory and Conservation Status of Herpetofauna in Punggualas, Sebangau National Parkwww.ncbi.nlm.nih.gov · Pulchrana baramica: taxonomyamphibian-reptile-conservation.org · Pulchrana baramica: rangeMires and Peat · Rasbora kalochroma: documented occurrenceFishBase · Rasbora kalochroma: reference profile

Plants and places

The Habaring Hurung pitcher-plant study identifies four Nepenthes species and distinguishes open from closed forest settings. That is stronger evidence than assuming that a photograph from somewhere on Borneo establishes a local occurrence. Kew’s accepted names and ranges answer a different question: which species name and broader distribution should be attached to the observation. Locality research and taxonomic references work together.

Sources & references · 8IAIN Palangka Raya · Nepenthes ampullaria: documented occurrenceRoyal Botanic Gardens, Kew · Nepenthes ampullaria: accepted name and rangeSingapore National Parks Board · Nepenthes ampullaria: reference profileRoyal Botanic Gardens, Kew · Nepenthes gracilis: accepted name and rangeSingapore National Parks Board · Nepenthes gracilis: reference profileRoyal Botanic Gardens, Kew · Nepenthes rafflesiana: accepted name and rangeSingapore National Parks Board · Nepenthes rafflesiana: reference profileRoyal Botanic Gardens, Kew · Nepenthes mirabilis: accepted name and range
Sekonyer River in Tanjung Puting National Park, Central Kalimantan.
Sekonyer River in Tanjung Puting National Park, Central Kalimantan.Nanosanchez · Wikimedia Commons · CC BY-SA 4.0 · Cropped · Original
A river winds through peat swamp forest in Kalimantan.
Peat swamp forest in Kalimantan, Indonesia.Ruanda Agung Sugardiman/AusAID · Wikimedia Commons · CC BY 2.0 · Cropped · Original

Listening and sampling

The frog records combine documented Punggualas occurrences with separate acoustic work at Tahawa. Fish research in the Sebangau catchment distinguishes river and forest samples. These methods do not produce identical kinds of evidence. An acoustic detection, an inventory listing and a caught fish have their own location and date. Keeping those details attached prevents an attractive general wildlife list from overstating what was actually observed.

Sources & references · 10Universitas Gadjah Mada · Simson (2023), Spatial and temporal acoustic distribution of Polypedates colletti and Pulchrana baramica in Tahawa Village Forest, Central KalimantanUniversitas Palangka Raya · Maulidi et al. (2020), Inventory and Conservation Status of Herpetofauna in Punggualas, Sebangau National Parkwww.ncbi.nlm.nih.gov · Pulchrana baramica: taxonomyamphibian-reptile-conservation.org · Pulchrana baramica: rangewww.researchgate.net · Collett's tree frog: natural historywww.gbif.org · Polypedates colletti: taxonomyamphibiansoftheworld.amnh.org · Polypedates colletti: rangeMires and Peat · Rasbora kalochroma: documented occurrenceFishBase · Rasbora kalochroma: reference profileFishBase · Helostoma temminckii: reference profile

What a record can say

The dragonfly record adds insects to the collection without claiming that every larval habitat has been mapped. A well-designed species page can say what is known and leave measurements or current conservation categories unknown when they have not been verified. That restraint matters more than filling every box. The resulting connections remain useful for research and discovery without becoming a sighting guarantee.

Sources & references · 4Mires and Peat · Husson et al. (2018), Biodiversity of the Sebangau tropical peat swamp forest, Indonesian Borneowww.ncbi.nlm.nih.gov · Common parasol dragonfly: natural historydragonflyfund.org · Common parasol dragonfly: natural historyMires and Peat · Rasbora kalochroma: documented occurrence

Sources & references

BMKG Tjilik Riwut Meteorological Station · Seasonal climate information for Central KalimantanAccessed: 2026-10-01

Mires and Peat · Husson et al. (2018), Biodiversity of the Sebangau tropical peat swamp forest, Indonesian BorneoAccessed: 2026-10-01

Universitas Palangka Raya · Maulidi et al. (2020), Inventory and Conservation Status of Herpetofauna in Punggualas, Sebangau National ParkAccessed: 2026-10-01

Universitas Gadjah Mada · Simson (2023), Spatial and temporal acoustic distribution of Polypedates colletti and Pulchrana baramica in Tahawa Village Forest, Central KalimantanAccessed: 2026-10-01

www.ncbi.nlm.nih.gov · Pulchrana baramica: taxonomyAccessed: 2026-10-01

amphibian-reptile-conservation.org · Pulchrana baramica: rangeAccessed: 2026-10-01

www.researchgate.net · Collett's tree frog: natural historyAccessed: 2026-10-01

www.gbif.org · Polypedates colletti: taxonomyAccessed: 2026-10-01

amphibiansoftheworld.amnh.org · Polypedates colletti: rangeAccessed: 2026-10-01

www.ncbi.nlm.nih.gov · Common parasol dragonfly: natural historyAccessed: 2026-10-01

dragonflyfund.org · Common parasol dragonfly: natural historyAccessed: 2026-10-01

IAIN Palangka Raya · Nepenthes ampullaria: documented occurrenceAccessed: 2026-10-01

Royal Botanic Gardens, Kew · Nepenthes ampullaria: accepted name and rangeAccessed: 2026-10-01

Singapore National Parks Board · Nepenthes ampullaria: reference profileAccessed: 2026-10-01

Royal Botanic Gardens, Kew · Nepenthes gracilis: accepted name and rangeAccessed: 2026-10-01

Singapore National Parks Board · Nepenthes gracilis: reference profileAccessed: 2026-10-01

Royal Botanic Gardens, Kew · Nepenthes rafflesiana: accepted name and rangeAccessed: 2026-10-01

Singapore National Parks Board · Nepenthes rafflesiana: reference profileAccessed: 2026-10-01

Royal Botanic Gardens, Kew · Nepenthes mirabilis: accepted name and rangeAccessed: 2026-10-01

Mires and Peat · Rasbora kalochroma: documented occurrenceAccessed: 2026-10-01

FishBase · Rasbora kalochroma: reference profileAccessed: 2026-10-01

FishBase · Helostoma temminckii: reference profileAccessed: 2026-10-01

Directorate General KSDAE, Ministry of Forestry · Profil TN SebangauAccessed: 2026-10-01

Sebangau National Park Authority · Menteri LHK Berkunjung ke Taman Nasional SebangauAccessed: 2026-10-01

Directorate General KSDAE · Pembahasan Revisi Zona Taman Nasional SebangauAccessed: 2026-10-01

Indonesia Ministry of Tourism, JADesta · Explore Taman Nasional SebangauAccessed: 2026-10-01

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