Roost Site Preferences For Cave-Dwelling Bats In Wind Cave Nature Reserve, Bau

Muhd Amsyari, Morni (2014) Roost Site Preferences For Cave-Dwelling Bats In Wind Cave Nature Reserve, Bau. [Final Year Project Report] (Unpublished)

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Abstract

This study was conducted as an attempt to determine and gain information about the roosting preferences for cave dwelling bats in Wind Cave Nature Reserve (WCNR), Bau. The roosting site provides protection for the bats from predator, bad weather and as a place for them entering torpor and hibernation. The parameters that are being used to observe the roosting preferences are the roost temperature and humidity, the distance of the roosting site from the nearest cave entrance, the light intensity at the roosting site and the sound intensity at the bat's roosting site. HOBO data logger was used for taking the temperature and humidity level, Leica Disto D3 range finder was used to measure the roost distance, light intensity were determined by the level of brightness observed by researcher and sound intensity were recorded by using Decibel Meter Version 1.6 application. There were ten species of bats from five families were found to roost in Wind Cave (WC). The study revealed that there are slight preferences which each bats have on these five parameters thus make these bats to roost at different places in the cave. Knowing these parameters will helps in understanding more about the preferences of the bats in choosing its roosting site, thus enable us to monitor these parameters for the conservation of the bats in WCNR.

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