Current research

The Owl Monkey Project, started in 1996 by Dr. Eduardo Fernandez-Duque, is a multi-disciplinary research site in the Argentinean Chaco. In conjunction with the Anthropology Department at Yale University, we investigate the evolution of monogamy and paternal care in a pair-bonded primate….


Fundación ECO

Fundación ECO (Ecosistemas del Chaco Oriental) is a conservation and education organization as well as the Argentinean umbrella under which the Owl Monkey Project operates. In 1996, my wife, Claudia Valeggia, and I established research projects in the Province of Formosa….


Estancia Guaycolec

Estancia Guaycolec, a privately-owned cattle ranch, is home to Proyecto Mirikiná (Owl Monkey Project). This 25,000 hectare ranch is located 25 km north of Formosa City. Along the banks of the Pilagá River (58◦11_ W, 25◦58_ S), the research group…

News from the field

photo by Ben Finkel

Happy Valentine’s Day from the OMP

We hope you get to share your love with a lucky primate today. Check out P.I. Eduardo Fernandez-Duque talking about the evolution of pair-bonds at the Academic Minute. ¡Feliz día de los enamoradores!


Love in the Time of Monkeys, a new Natural History Magazine article

The latest issue of Natural History Magazine features a cover story by Owl Monkey Project P.I., Eduardo Fernandez-Duque. Love in the Time of Monkeys explores the history of the Owl Monkey Project and the evolutionary forces that shape monogamy. Los invito a…

Postdoctoral position with the OMP at Yale University

The Owl Monkey Project is searching for a post-doctoral associate who will collaborate in projects on socio-endocrinology and genetics. The Department of Anthropology and the School of Forestry & Environmental Studies at Yale University invite applications for a full-time, two-year position in…

Un sitio nuevo, en dos idiomas

En el Proyecto Mirikiná (the Owl Monkey Project), siempre estamos tratando de balancearnos entre dos idiomas. Para navegar nuestro menú, mueva el ratón :) encima de cada opción en inglés para acceder a la página equivalente en castellano. También pueden encontrar,…

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A new site, in two languages

Here at the Owl Monkey Project (Proyecto Mirikiná), we are always juggling languages.  In Argentina, we host U.S. students who come to learn the Spanish as well as the wildlife. Our Argentinian scholars learn to read and write articles in English (which…

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