Category Archives: About vampire bats

molecular evolution in vampire bats (video)

More information: Sears Lab  

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English translation of Park (1988) Dominance relationships in a colony of vampire bats. Korean Journal of Zoology.

Rachel Crisp is currently writing her masters thesis on dominance interactions in female vampire bats. Males have a clear dominance hierarchy in competition over roost territories, but do the female vampires have a dominance rank? If so, does it strongly … Continue reading

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Should we wipe out vampire bats?

Adam Cole from NPR visited our lab to shoot this great video short on human-vampire bat conflict. So “should we wipe out vampire bats?” No, even if we could, we shouldn’t try, and frankly, nobody is actually suggesting exterminating vampire … Continue reading

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Latest paper: social bet-hedging in vampire bats (and two other recent and related studies)

Our latest paper here.  Also some early press here. There are actually three recent papers on social networks and the benefits of network size in primates (by Laurent Brent and co-authors), songbirds (by Josh Firth and co-authors), and bats (by me … Continue reading

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Latest paper: Reproductive seasonality, sex ratio and philopatry in Argentina’s common vampire bats

It can be found here. Summary: 35 years of field observations 13,642 mist-net captures and 181 whole roost captures vampire bats in Argentina (near the southern limit of their range) have a reproductive season (unlike most other places) we have … Continue reading

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A new field site in Panama

I am hoping to develop some new long-term field sites for future work on vampire bats. On March 27, I traveled with Austin Garrido, Rob Mies (director of the Organization for Bat Conservation), his daughter Georgia Mies, and labmates May Dixon, … Continue reading

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New paper: risk exaggerates nepotism in vampire bats

Here’s the paper. In evolutionary biology, we often draw a line between “altruism” and other cooperative traits. Altruistic traits are special in that they lead to a net cost to one’s survival and reproduction. Some traits are clear cases: when a … Continue reading

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