In my opinion, reciprocity in vampire bats has not been demonstrated unambiguously. This is because all the evidence to date has really been correlational. My singular obsession recently had been trying to setup and perform the "perfect" reciprocity test in vampire bats. Vampire bats are a good candidate for this kind of experiment because they … Continue reading Manipulating vampire bats’ social relationships: not so easy
Bats often roost in absolute darkness and must recognize others through sound and smell. After watching many, many hours of infrared footage of vampire bat food sharing, I've noticed that my vampire bats sometimes appear to make brief mistakes by sharing food with the wrong individual. A typical food sharing sequence starts with the donor … Continue reading Vampire bats regurgitating food to the wrong individual
I just submitted an invited review of the evidence of reciprocity in vampire bat food sharing. This allowed me to get out a bunch of data from unpublished studies, most of which were negative results from groups of vampire bats that did not share food with each other. Publishing negative results is important, especially as the difficulty … Continue reading Researchers, post your work online
https://www.youtube.com/watch?v=n1N38p7tDa4 Unfortunately, it's slightly out of focus. Graduate student Danielle Adams shows off the chest gland of a male greater spear-nosed bat.
A reporter from the Trinidadian press contacted me for this story. I feel like I have told it too many times. Hopefully, this will be the last time, and now I can just refer people to this blog post! First some background-- The last week of June I helped my labmate Danielle Adams with her … Continue reading The story of “How I almost died in Trinidad”