We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
CIRCANNUAL SEX DISTRIBUTION OF THE BRAZILIAN FREE-TAILED BAT, Tadarida brasiliensis (CHIROPTERA: MOLOSSSIDAE), SUGGESTS MIGRATION IN COLONIES FROM URUGUAY.
- Authors
Nuñez, Germán Botto; Genta, Mauricio; Díaz, Mariana; Rodales, Ana Laura; González, Enrique M.
- Abstract
In the Northern Hemisphere, Tadarida brasiliensis is a migratory species, but there are no published data about its migration behavior in Uruguay. Using field data, we found significant and consistent seasonal variation in colony sex ratios across Uruguay. Males composed the majority of colonies sampled in Uruguay during the cold season, whereas females proportionally outnumbered males in these colonies during the warm season. Individuals present during the cold season remain active, and our evidence suggests females migrate out of Uruguay in winter. This is the first contribution to knowledge about circannual use of roosts by T. brasiliensis in Uruguay.
- Subjects
URUGUAY; FREE-tailed bats; SEX distribution
- Publication
Journal of Neotropical Mammalogy / Mastozoologia Neotropical, 2018, Vol 25, Issue 1, p213
- ISSN
0327-9383
- Publication type
Article
- DOI
10.31687/saremMN.18.25.1.0.17