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All Journal BIO PALEMBANICA
Teguh Willy Nugroho
Sebangau National Park
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Recent Records of Racket-tailed Treepie Crypsirina temia (Passeriformes: Corvidae) in Kalimantan, Indonesia Teguh Willy Nugroho; Alexander Kurniawan Sariyanto Putera; Muhammad Iqbal; Happy Ferdiansyah; Ari Noviyono; Abdul Hakim Syah; Fikri El Zafran
BIO PALEMBANICA Vol 2 No 2 (2025): Bio Palembanica
Publisher : Lembaga Penelitian, Pengabdian Kepada Masyarakat dan Kepustakaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/bio.v2i2.6148

Abstract

The existence of the Racket-tailed Treepie Crypsirina temia on the island of Kalimantan, Indonesia, remains unconfirmed, despite several records and two specimens collected in South Kalimantan since the 20th century. During our birdwatching activities in several areas since 2017, we have encountered this bird and documented our sightings on the Burungnesia platform. We also recorded the habitat conditions where the bird was found to assess its habitat suitability in Kalimantan. Between 2017 and the present, we recorded 10 encounters with this bird from four provinces in Kalimantan, Indonesia. Notably, one record is from research conducted on Laut Island, South Kalimantan. The habitat records from the locations where this bird was found provide valuable information on suitable habitats and can serve as a reference for further research on this species in Kalimantan
First Record of the Caspian Tern Hydroprogne caspia (Charadriiformes: Laridae) in Kalimantan, Indonesia, with A Review of Its Status Across Borneo Teguh Willy Nugroho; Muhammad Rochim; Ratna Mariana; Eko Jati Sujiyanto; Hariyadi; Sulton Mubarok; Mika Tambing Pairunan
BIO PALEMBANICA Vol 3 No 1 (2026): Bio Palembanica
Publisher : Lembaga Penelitian, Pengabdian Kepada Masyarakat dan Kepustakaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/bio.v3i1.7106

Abstract

The Caspian Tern Hydroprogne caspia is a cosmopolitan migratory waterbird and an uncommon non-breeding visitor in Indonesia. Although previously recorded from Sabah, Sarawak, and Brunei Darussalam, the species had not been documented from Indonesian Borneo. Here, we report the first confirmed record of H. caspia in Kalimantan, Indonesia. On 2 February 2026, two individuals were observed and photographed on the intertidal mudflats of Kempeng Beach, Central Kalimantan, during the Asian Waterbird Census. Identification was based on their exceptionally large size, massive deep-red bill, and characteristic non-breeding plumage. A review of published literature and citizen-science databases indicates that this record represents a significant southward extension of the species’ documented distribution on Borneo. This finding fills an important geographic gap in the known occurrence of H. caspia within the East Asian–Australasian Flyway and highlights the importance of southern Borneo’s coastal wetlands for migratory waterbirds.
Co-Authors Abdul Hakim Syah Alexander Kurniawan Sariyanto Putera Ari Noviyono Eko Jati Sujiyanto Fikri El Zafran Happy Ferdiansyah Hariyadi Mika Tambing Pairunan Muhammad Iqbal Muhammad Rochim Ratna Mariana Sulton Mubarok