Category Archives: Photos

Costa Rica 2013

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After the Belize warm up, I went to Costa Rica to work at two main sites, the Tirimbina Forest Reserve and OTS La Selva research station. The major goal of this trip was to collect fecal samples for molecular dietary analyses in foliage-gleaning bats, along with performance data across bats and other mammals. These data will allow us to understand patterns and mechanisms of food resource partitioning within and across dietary guilds. With the help of collaborator Dr. Bernal Rodríguez Herrera and his students at the Universidad de Costa Rica, we were able to collect data for a total of 24 species of bats, plus several kinkajous.

One of the trip highlights included catching Honduran white bats (Ectophylla alba), a very small frugivore that builds tents in the vegetation. Findings about Ectophylla’s tent construction behavior have changed the paradigm that only male bats build these roosts as part of a resource-defense polygynous system; female Ectophylla also contribute to building tents. A second high point was collecting a wrinkle-faced bat (Centurio senex), a very rare and morphologically derived stenodermatine that is built to bite. Just as impressive, the second largest bat in the Neotropics (Phyllostomus hastatus) made its appearance in our nets and contributed to our dataset. With such stunning biodiversity, we are very much looking forward to continue work and collaborations in Costa Rica. Pura vida!

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Belize 2013!

The field season 2013 started with a bang! This May, I joined 40+ international bat biologists in a yearly expedition to Lamanai, Belize. The trip was led by Dr. Brock Fenton, a bat expert from the University of Western Ontario who has been visiting the site for over 20 years. Lamanai is impressive with biodiversity and archeological remains;  jaguar faces not only decorate the Mayan temples, but these animals can be seen around the area as well.

With a few dozen bat researchers in the group, projects were as diverse as the bats: morphology of wings, muscles, skulls and reproductive tracts, echolocation, feeding behavior, diet, flight aerodynamics, radio tracking, viruses, and more. We caught around 500 bats from 28 species, the great majority of which were released unharmed. The voucher specimens that were kept will serve as the basis of studies in labs across five institutions, which is an impressive use of field-collected specimens. These will continue to be available to researchers at the American Museum of Natural History’s Mammal Collection.

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