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Journal : Cassowary

Eksplorasi kuskus pada hutan dataran tinggi di Lanny Jaya Pegunungan Tengah Ranti, Febriza Dwi; Kawulur, Elda I. J. J.
Cassowary Vol 7 No 1 (2024): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v7.i1.217

Abstract

ABSTRACT: The cuscus is a marsupial mammal, has a prehensile tail and fused second and third toes on its hind feet. Its distribution is in the highlands and lowlands. There is not much research on the types of cuscus in the highlands, therefore the aim of this research is to determine the type and morphology of cuscus in the Lanny Jaya Forest, Pegunungan Tengah, where the topography is the highlands. This research was carried out using observation methods in forest areas involving mammal hunters. The results of the research show that there are three types of cuscus in the Lanny Jaya forest area, namely Phalanger vestitus with the morphological characteristic of having thick hair on the dorsal part, gray in color with a wide central stripe on the prominent dorsal part. Phalanger carmelitae is often called mountain possum with its morphological characteristics of brown hair, no stripes on the dorsal and the tip of the tail being white. Phalanger sericeus is known as the silk-haired possum. This cuscus has dark golden brown hair, a narrow dorsal stripe and a dark tail. These three cuscuses are not found in the lowlands. Phalanger carmelitae is the largest cuscus while Phalanger sericeus has the smallest body size and body weight.
Tingkah laku alami burung mambruk victoria (Goura victoria) di Pulau Yapen K. Numberi, Yusuf; Ranti, Febriza Dwi; Binur, Robi
Cassowary Vol 8 No 3 (2025): Juli
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i3.317

Abstract

ABSTRACT : The Victoria crowned pigeon (Goura cristata), known for its beautiful crest, is an endemic species of Papua and is currently listed as “Near Threatened.” Therefore, conservation efforts such as captive breeding are necessary. This pigeon has the potential to be kept in captivity due to its tamable nature; however, biological information regarding its natural behavior is still needed. This study aims to describe the natural behavior of the Victoria crowned pigeon (Goura cristata) on Yapen Island. The research was conducted in April 2024 along the Siwiri River in the eastern region of Yapen Island. A field survey method was used, with bird activity observed at three locations (downstream, midstream, and upstream). Observations were carried out over three days at each site, from 06:00 to 18:00 Eastern Indonesian Time (WIT), with 60-minute observation intervals. Bird activities were observed directly or with binoculars. The behavioral observation used the scan sampling method, and activity data were recorded using the One-Zero Sampling method. The variables observed in this study were the activity times and the percentage frequency of Victoria crowned pigeon (Goura victoria) behaviors. Five types of natural behavior were identified at the research sites: feeding (31%), vocalizing (26%), walking (16%), grooming (14%), and defecating (13%). Feeding was the most frequently observed behavior, while defecating was the least frequent. Most behaviors occurred in the morning across all three locations—downstream, midstream, and upstream. Some behaviors occurred at different times of the day, likely due to environmental differences related to habitat, topography, and abiotic factors. The conclusion of this study is that any attempt to breed the Victoria crowned pigeon in captivity must consider both biotic and abiotic factors.