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INDONESIA
KUKILA
Published by Indonesian Ornithology
ISSN : -     EISSN : -     DOI : -
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Articles 810 Documents
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Territorial song in the Oriental Magpie-Robin Copsychus saularis in suburban areas of Kota Samarahan, Sarawak Zahran Mansor; Dency Flenny Augustine Gawin
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Despite its reputation for unique and melodious vocalisations, the Oriental Magpie-Robin Copsychus saularis remains remarkably under-studied in Borneo. We undertook an examination of the territorial song of this species at the Universiti Malaysia Sarawak campus and Kota Samarahan, Sarawak, to learn more about its structure, repertoire size and physical characteristics. Throughout the breeding season, males started to sing intensely usually half an hour before sunrise until 09:00 or 10:00 hrs. Fifty minutes of song were collected from each of five colour-ringed breeding males. From the total of 2,198 phrases, 112 different phrase types were identified. Spectrograms revealed that most singing episodes consist of a repeated phrase, many of which vary by including dissimilar syllables. We confirmed that the purpose of males singing was to secure and maintain their territories, as males aggressively responded to playback near their nesting sites by increasing their singing rates. The female’s song seems to initiate male territorial singing during the entire breeding season.
First records of Little Stint Calidris minuta in Indonesia Yann Muzika; Ding Li Yong; Sayam U Chowdhury; Chairunas Adha Putra
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Details are presented of the first two Indonesian records of the Little Stint Calidris minuta, discovered during shorebird surveys on the north coast of Aceh Province, Sumatra, between 18 October 2019 and 30 January 2020. As the species has already been recorded multiple times in most of the surrounding countries it is assumed that it had hitherto been overlooked in Indonesia. As further records from other parts of Indonesia can be expected, we summarise key features for distinguishing the species from the very similar Red-necked Stint Calidris ruficollis, with which it often associates.
The status of Fairy Pitta in Indonesia with new records from Java and Riau Islands Syahras Fahin Aminuddin; Alexander Kurniawan Sariyanto Putera; Naila Zackeisha; Taufan Nurzaman Sulaeman; Arfah Nasution
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

The Fairy Pitta Pitta nympha is an uncommon migrant known to visit Borneo during the non-breeding season. However, within Indonesia there are no published records of this species outside Kalimantan (Indonesian Borneo). We encountered single immature Fairy Pittas at Anambas island (Riau islands, Sumatra) in October 2019, and in Bogor and Jakarta (Java) in November 2019, suggesting an influx of young birds migrating beyond their normal wintering grounds.
First description of the eggs of the Sumatran Partridge Arborophila sumatrana Vladislav Marcuk; Sebastian van Balen; Donovan de Boer; Richard Noske
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

The breeding biology of forest partridges (genus Arborophila) is poorly understood, with nest and eggs described for just over half of all 20 recognised species. Herein we provide the first formal description of the eggs of the endemic Sumatran Partridge, based on a single preserved clutch in the Naturalis Biodiversity Centre, Leiden. Information about clutch size, egg characteristics and breeding phenology for the Sumatran Partridge is consistent with the published data available for other members of the super-species from South-East Asia.
Mystery flycatchers in Sumatra - Rück's Blue-flycatcher or White-tailed Flycatcher? Zulqarnain Assiddiqi; Sebastianus van Balen; Nigel J. Collar
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Observations, photographs and a sound-recording taken in Jambi, Sumatra, in 2013 and 2014 refer to a pair of unidentified flycatchers with certain characters that match some features of Rück's Blue-flycatcher Cyornis ruckii. However, a review of alternative possibilities cannot exclude and indeed tends to favour White-tailed Flycatcher C. concretus, given that (i) the white breast-patch of the female and white tail-markings of the male can remain hidden, (ii) the female can be strikingly rufous in some light or some individuals, and (iii) the white belly patch seems to exclude ruckii. The sound recording has no match in sound archives and the song recorded might have involved infrequently heard phrases used in courtship. Nevertheless, new searches of the undisclosed site are planned, and new searches in any remaining tracts of primary lowland forest on Sumatra are urged.
Rück’s Blue-flycatcher Cyornis ruckii: the evidence revisited Nigel Collar
KUKILA Vol. 23 (2020)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Photographs and measurements of all four known specimens of Cyornis ruckii are provided. One of the two adult males has the underparts entirely blue, the other has the lower belly and vent greyish-white; a widely available illustration shows far too much white on the underparts. Contrary to speculation, the specimens are not aberrant Pale Blue Flycatchers C. unicolor. Review of early texts reveals that no locality was ever given for the first two specimens and that the second two, from near Medan, Sumatra, were almost certainly taken in primary forest, not exploited forest as currently stated. Searches should target primary lowland forest in northern Sumatra.
Diversity and relative abundance of hornbills in selectively-logged Production Forests in Central Sarawak, Malaysian Borneo
KUKILA Vol. 24 (2023)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Opportunistic observations and rapid point count survey data was used in identifying the distribution of hornbill species in three production forests in the interior parts of Sarawak, namely Kapit Forest Management Unit (FMU), Raplex Forest Management Unit (FMU) and Pasin Forest Management Unit (FMU). This assessment was conducted to understand the occurrence and distribution of hornbills in production forest, which is lacking in order to develop an action plan for the conservation of Sarawak’s hornbill population. Records of hornbill observation were noted during forest operations and point count surveys. Point count survey was only conducted for a period of two days at each site. This assessment has provided information on the distribution of six species of hornbills from different coupes with different forest activity at the production forests. The only species that was not detected during this study was the wrinkled hornbills which require additional surveys to confirm its absence in this area. Species diversity was the highest at the future production forest (H’ = 1.16) followed by recently logged forest (H’ = 0.90) and active logging area (H’ = 0.64). The peak hour for hornbill detection appears to be between 0800 hours to 1000 hours in the morning. Production forest can provide resources to hornbills if the fruiting and nesting trees are made available. The occurrence of some of the hornbill species in a production forest complex suggest that these areas can potentially provide habitat to these species if they are managed sustainably. However, the long-term persistence of these species in such forest needs need to be further investigated and carefully interpreted to avoid misleading conclusion on the ability of disturbed forest to support these species of conservation importance.
Ecology of White-rumped Woodpecker Meiglyptes tristis with reference to vocalisation in Meru Betiri National Park
KUKILA Vol. 24 (2023)
Publisher : Indonesian Ornithologists’ Union

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Abstract

White-rumped woodpeckers (Meiglyptes tristis tristis) is endangered species with a lack of records and information in Java. In Meru Betiri National Park, several M. tristis records are very important to be studied in depth. This study aims to compile the M. tristis records in MBNP, vocalisation, and conduct ecological studies of vegetation preferences. There are 7 confirmed records in 2 different resort areas: six in Bandealit (west) and one in Sukamade (east). The combination of coconut plantations and semi-open land is the preference on the first record. The second record figures its presence in habitats very close to humans. Mangroves (Bruguierra sp.) are also used at third record for foraging. The fourth record at Bandealit occurred at the edge of a rubber plantation. Records 5 and 6 occur on the same spot that has a combination of a dense Albizia plantation and polyculture. Record 7 in Sukamade relates to rubber plantations and a polyculture. There are two calls with the first call consisting of 5 notes and the second call consists of two incomplete notes. It has a duration of silent intervals between calls of 6.32 S.
First description of the natal plumage of Black-crowned White-eye (Zosterops atrifrons atrifrons)
KUKILA Vol. 24 (2023)
Publisher : Indonesian Ornithologists’ Union

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Abstract

The breeding biology of tropical birds, including those that inhabit the Indo-Pacific region, remain poorly known. Here, we present the first description of the natal plumage of Black-crowned White-eye (Zosterops atrifrons atrifrons) based on a single observation in Sulawesi, Indonesia. On 13 May 2022, we observed a fledgling Z. a. atrifrons clinging to the lower branches of a large pine tree (Pinus sp.) in partially logged secondary forest. Provisioning by presumed parental birds allowed us to identify the species. The whitish underparts and dark olive green back of the natal plumage is similar to the adult plumage of Z. atrifrons. We suspect the young bird had recently fledged due to its very short tail, partially emerged remiges, and complete dependence on the adults for food.
Corrections to the published elevational limits of 17 species from Bacan, North Maluku
KUKILA Vol. 24 (2023)
Publisher : Indonesian Ornithologists’ Union

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Abstract

Wallacea is among the most under-studied regions of the tropics, with even basic biological data lacking from most bird species. Even by these standards, North Maluku has been historically neglected. A three-day visit to Buku Sibela on Bacan, North Maluku, in October 2022 yielded elevation extensions for 16 species, of which 11 are endemic to the North Moluccan subregion. In many instances, species are now known to occur at much higher elevations on Bacan than previously assumed, potentially reducing their extinction risk throughout the North Moluccas, where forest loss in the lowlands is substantially more rapid. Other visitors to, and researchers in, Indonesia are encouraged to record and publish altitudinal information where it is otherwise unavailable—these data are a critical component for mapping species’ ranges, monitoring habitat losses, and documenting possible temporal changes in elevation in response to climate change.

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