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Status and Habitat Occupancy of Nepal's only Endemic Bird Spiny Babbler Turdoides nipalensis in Lwang Ghalel Village of Mid-hills of Nepal
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  • Raksha Thakuri,
  • Bijaya Neupane,
  • Suman Ghimire,
  • Namrata Khatri,
  • Prashant Ghimire,
  • Megharaj Poudel
Raksha Thakuri
Tribhuvan University
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Bijaya Neupane
Tribhuvan University
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Suman Ghimire
Agriculture and Forestry University

Corresponding Author:[email protected]

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Namrata Khatri
Agriculture and Forestry University
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Prashant Ghimire
Pokhara Bird Society
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Megharaj Poudel
Ministry of Forest, Environment and Soil Conservation
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Abstract

Spiny Babbler is the only endemic bird of Nepal but there are very limited studies on population status, distribution pattern and habitat characteristics preferred by this species. So, we conducted a field survey in the Lwang Ghalel Village of Annapurna Conservation Area located in Western Nepal which is one of the prominent habitats of Spiny Babbler to estimate the population, prepare a distribution map and assess the habitat characteristics preferred by it. We used the point count method to estimate its population while the distribution map was prepared using Arcmap; a GIS software, by plotting the geographic coordinates taken with hand held GPS. A binomial distribution model with a logit link function was deployed to determine the habitat preferences of the species by testing nine predetermined habitat variables. Out of 130 sampling points, Spiny Babbler was recorded from 46 points with an additional 6 opportunistic sightings resulting total estimated population of 129 individuals. From the distribution map, we found that it mostly preferred scrubland habitats. Among the nine habitat variables, six different variables including aspect (χ27,119 = 21.7895; p = 0.0027), habitat types (χ25,114 = 18.7608; p = 0.0021), number of shrub individuals (χ21,113 = 7.0083; p = 0.0081), distance to water body (χ21,128 = 9.4116; p = 0.0021), distance to road (χ21,127 = 6.4807; p = 0.0109) and presence or absence of cattle grazing (χ21,126 = 10.0881; p = 0.0014) have significant influence in the sighting probability of the species within the study area. With this study, we have established baseline information about the habitat preference of Spiny Babbler however there is still large gap to be fulfilled to understand the species ecology. Therefore, detailed and regular studies on the species behavior and ecology of all seasons should be carried out in the study area and other regions.
14 Aug 2024Submitted to Ecology and Evolution
14 Aug 2024Submission Checks Completed
14 Aug 2024Assigned to Editor
20 Aug 2024Reviewer(s) Assigned
09 Sep 2024Review(s) Completed, Editorial Evaluation Pending
11 Sep 2024Editorial Decision: Revise Minor