Courses, Defenses & Events

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I have been studying Bornean orangutans at Sepilok and Danum Valley in Malaysia. My focus is on male reproductive tactics and food-sharing behavior. I am also interested in the social development of great apes during the “adolescent” period. [more]

Long-distance migrations are full of choices. Migrating animals have to make a plethora of decisions about routes, timings, stopovers and destinations, each of which can influence their development and breeding success. In such cases, relying only on innate information is highly risky, and so, many ... [more]

Take a scrap piece of paper from your desk and crumple it into a ball. It may not be immediately apparent, but this everyday object exhibits rich mechanical properties that can provide insights about efficient memory storage, novel computation strategies, and even the dynamics of earthquakes ... [more]

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A fundamental question at the intersection of ecology and evolution is how do biotic and abiotic environments differentially influence adaptation and diversification? The abiotic environment can change, but it cannot coevolve (a process of reciprocal adaptation). This profound difference is ... [more]

Reciprocity has been a controversial topic in behavioral ecology for over 40 years. How often is cooperation between animals stabilized by conditional responses to each partner's helping (reciprocity)? How often are cooperative investments explained by product returns (pseudo-reciprocity)? I argue ... [more]

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