Bird Diversity and Functional Guilds in Sg. Talibu Forest Reserve, Sabah: Bird Diversity and Guilds in Sungai Talibu Forest Reserve

Bernadette  D. JOEMAN; George Hubert  PETOL; Loraiti  LOLIN; Vivian  RUDOLF

doi:10.51200/jtbc.v22i.6277

Authors

Bernadette D. JOEMAN
George Hubert PETOL Forest Research Centre
Loraiti LOLIN
Vivian RUDOLF

DOI:

https://doi.org/10.51200/jtbc.v22i.6277

Keywords:

Avifaunal survey, MacKinnon List method, Sungai Talibu Forest Reserve, frugivores, insectivores

Abstract

A rapid avifaunal assessment was conducted in Sg. Talibu Forest Reserve, a secondary mixed dipterocarp forest in Telupid, Sabah, Malaysia. Using a modified MacKinnon List method, the four-day survey recorded 15 lists, detecting 391 individuals. A total of 107 species from 40 families were identified, with a Shannon Diversity Index of H= 3.88 and Evenness EH= 0.65. Chao1 species richness, estimated via SuperDuplicates®, suggested approximately 138 species, with 31 undetected. The effective number of species (Numeff) was 48. Nine Bornean endemics were recorded, including the Borneo Ground Cuckoo. The survey also detected species of high conservation concern: the Helmeted Hornbill and the Greater Green Leafbird. Pycnonotidae was the most abundant family, with 45 individuals across 10 species. Insectivores dominated, with 167 individuals from 54 species and 20 families, followed by insectivores with 69 individuals from 15 species and eight families.

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