Category Archives: About cooperation

Behaviour17 Conference

Scientific conferences are some of the biggest highlights of my year. I just attended the Behavior2017 Conference in the beautiful seaside town of Estoril, Portugal. I’m still early enough in my scientific career that when I attend a conference, I … Continue reading

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Updates (July 2017)

New timeline July 30- August 4, 2017: I’ll be at the Behavior 2017 Meeting in Portugal September 3, 2017: Team Vampire wraps up captive experiments and we begin our fieldwork led by Dr. Simon Ripperger. October 15, 2017: I leave Panama. … 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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Reciprocity before Trivers

“New” ideas are rarely new. In science we stand on the shoulders of giants and whenever I read the works of the giants, I often find that many ideas or discoveries– that I thought were “mine” or belonged to some … Continue reading

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Field notes on weekend trip to Costa Rica (with disc-winged bats!)

Spix’s disc-winged bat Thyroptera tricolor has suction cups (yes, suction cups) on its thumbs, and it uses these to cling to the smooth surface of young, furled Heliconia leaves. I’ve wanted to see a disc-winged bat since I was about … 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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Revisiting Wilkinson 1984

In 1984, Gerald Wilkinson published a paper in Nature showing that vampire bats share food in the form of regurgitated blood, within groups that contain both kin and non-kin. This was one of the fi… Source: Revisiting Wilkinson 1984

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