View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by KU ScholarWorks Acta Chiropterologica, l(2): 179-190,1999 PL ISSN 1508-1 109 O Museum and Institute of Zoology PAS First records of 10 bat species in Guyana and comments on diversity of bats in Iwokrama Forest BURTONK. LIM', MARKD. ENGSTROM~,ROBERT M. TIMM~,ROBERT P. ANDERSON~, and L. CYNTHIAWATSON~ 'Centre for Biodiversity and Conservation Biology, Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada; E-mail:
[email protected] 2Natural History Museum and Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, Kansas 66045-2454, USA 3Centrefor the Study of Biological Diversity, University of Guyana, Turkeyen Campus, East Coast Demerara, Guyana Ten species of bats (Centronycteris-maximiliani,Diclidurus albus, D. ingens, D. isabellus, Peropteryx leucoptera, Micronycteris brosseti, M. microtis, Tonatia carrikeri, Lasiurus atratus, and Myotis riparius) collected in the Iwokrarna International Rain Forest Programme site represent the first records of these taxa from Guyana. This report brings the known bat fauna of Guyana to 107 species and the fauna of Iwokrama Forest to 74 species. Measurements, reproductive data, and comments on taxonomy and distribution are provided. Key words: Chiroptera, Neotropics, Guyana, Iwokrama Forest, inventory, species diversity on the first of two field trips that constituted the mammal portion of the faunal survey for The mammalian fauna of Guyana is Iwokrama Forest coordinated through The poorly documented in comparison with Academy of Natural Sciences of Philadel- neighbouring countries in northern South phia. Records from previously unreported America. Most of its species and their distri- specimens at the Royal Ontario Museum are butions are inferred (e.g., Eisenberg, 1989) also presented to augment distributional data.