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v14i2.391v14i2.391
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v14i2.391

Submitted date: 10 October 2024
Accepted date: 21 July 2025
Published date: 28 November 2025
Pp. 327–329.

On the arrow-tailed flying squirrel (Hylopetes sagitta) from Mt. Ungaran, Java

M. Rahayuningsih*, P. Yuda, F. Sidiq, M.I. Muhyidhin, H. Evi, M.F. Zaka & K. Karsinah*
Corresponding author. E-mail: etak_sigid@mail.unnes.ac.id

Two species of Hylopetes, a genus of small flying squirrels native to Southeast Asia, found in the island of Java, Indonesia: (1) narrow-tailed flying squirrel (Hylopetes sagitta) and Bartel’s flying squirrel (Hylopetes bartelsi). The arrow-tailed flying squirrel (Hylopetes sagitta) (Sciuridae, Rodentia) is endemic to the islands of Java (H. s. sagitta Linnaeus, 1766) and Bangka (H. s. aurantiacus Wagner, 1841). The original specimen described by Linnaeus (1766) was named Sciurus sagitta and placed in Hylopetes by Chasen (1940), including Pteromys lepidus (Horsfield, 1824) and H. sagitta aurantiacus as a subspecies. Ellerman & Morrison-Scott (1955) recognized these species as Hylopetes lepidus which included subspecies H.l. aurantiacus and H.l. platyurus. Medway (1977) separated Hylopetes lepidus and Hylopetes sagitta into different species. Then Rasmussen & Thorington (2008) considered these species to be Hylopetes lepidus, placed H. sagitta as a synonym, and included H.l. aurantiacus and but not H.l. platyurus.

Section Editor: John Gurnell
v14i2.390v14i2.390
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v14i2.390

Submitted date: 18 December 2024
Accepted date: 21 June 2025
Published date: 28 November 2025
Pp. 325–326.

Allofeeding behavior in wild Pesquet’s parrots (Psittrichas fulgidus)

R.A. Pramunandya & T. Haryoko
*Corresponding author. E-mail: raka.aditya95@gmail.com

Pesquet’s parrot (Psittrichas fulgidus) is a threatened species listed as Vulnerable on the IUCN Red List. This species is endemic to the large island of New Guinea. It is a unique parrot species due to its relatively flat beak compared to other parrots. The shape of its beak is specialized for feeding on soft fruits, especially Ficus and other Moraceae species, blossoms, nectar, and possibly insects. Pesquet’s parrot is difficult to observe in the wild due to its sensitivity and habitat, which consists of natural forests that are not overly dense, ranging from elevations of 500 to 1,800 m a.s.l. In addition to the limited ecological information available, BirdLife International (2017) reported that 30–49% of its population declined over three generations (27 years) due to hunting and habitat loss. The scarcity of information about Pesquet’s parrot underscores the importance of documenting and recording even minor observations.

Section Editor: Rowan Martin
v14i2.389v14i2.389
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v14i2.389

Submitted date: 25 November 2024
Accepted date: 5 June 2025
Published date: 28 November 2025
Pp. 323–324.

On the partial TLR21 gene from the feathers of birds, a chicken, and a duck

S.H. Sumarsono*, R.R.B. Suryohastari, E.A. Giri-Rachman, S.A.R. Nisa
*Corresponding author. E-mail: sonyheru@sith.itb.ac.id

The evolutionary arms race between pathogens and host organisms has shaped diverse immune detection systems across species. Among the most studied innate immune components are Toll-like receptors (TLRs), which bridge environmental signals with host immune responses. Originally discovered in Drosophila melanogaster as a regulator of embryonic development, the Toll gene was later found to have antifungal immunity functions. This laid the foundation for the discovery of vertebrate TLRs, including those in birds. TLRs recognize structurally conserved molecules of microbes, known as pathogen-associated molecular patterns (PAMPs), encompassing lipids, lipoproteins, proteins, and nucleic acids.

Section Editor: Yufang Liu
v14i2.388v14i2.388
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v14i2.388

Submitted date: 20 September 2024
Accepted date: 21 July 2025
Published date: 28 November 2025
Pp. 318–322.

Interference avoidance by wild ungulates at a mineral lick, Central Kalimantan

G. Wicaksono*, T.M. Setia, I. Sapari, F. Basalamah & T. Ariyanto
*Corresponding author. E-mail: wawan.sujarwo@brin.go.id

Mineral licks are small, mineral-rich sites within forests that wildlife visit to supplement their mineral intake by licking or consuming soil. These licks are essential sources of minerals such as sodium, potassium, calcium, and magnesium, which support osmoregulation, toxin neutralization, and the development of bones and muscles. Due to mineral deficiencies in plant foliage, wild herbivores often resort to geophagy. The Belantikan Hulu area, within the Arabela landscape of the Schwaner Mountains in Central Kalimantan, Indonesia, comprises lowland forest dominated by Dipterocarpaceae species such as Dipterocarpus fagineus and Shorea laevis, along with Eusideroxylon zwageri. There are several active mineral licks in this landscape.

Section Editor: Juan Herrero
v14i2.387v14i2.387
eISSN: 1800-427X (online)
DOI:10.47605/tapro.v14i2.387

Submitted date: 1 January 2025
Accepted date: 22 July 2025
Published date: 28 November 2025
Pp. 313–317.

Seahorses and pipefishes of Sri Lanka (Teleostei: Syngnathidae)

J. Bandara, M.P. Gunawardena & C. Weerakoon*
*Corresponding author. E-mail: chamodyalk5@gmail.com

Sri Lanka, situated within the biodiversity-rich Indo-Pacific, is recognized as a hotspot for marine and freshwater fish diversity. Although numerous new teleost species have been described from the island in recent decades, the family Syngnathidae, which includes seahorses, pipefishes, and pygmy pipehorses, remains poorly documented. Despite early taxonomic contributions, such as those by Duncker (1910), who described the pipefish species Siokunichthys southwelli and Microphis ocellatus from ‘Ceylon’, modern systematic studies on Sri Lanka’s syngnathid fauna are lacking. Given the morphological complexity of this group and the potential for cryptic species, a comprehensive taxonomic synthesis is overdue. Accurate field identification of syngnathid species in Sri Lanka is further complicated by the lack of region-specific diagnostic tools and the morphological conservatism typical of the group. Foundational works, including Dawson (1985), provide broad Indo-Pacific coverage but are not tailored to the local fauna.

Section Editor: Upali S. Amarasinghe
Hubungi Kami
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