Mark Erno Hauber is an American ornithologist and Endowed Professor at the University of Illinois Urbana-Champaign.
[4] His doctoral thesis for this degree was entitled Cognitive ecology of avian recognition systems : studies of brood parasitic and parental taxa.
[5] He returned to the United States in 2009, where he joined the faculty at Graduate Center of the City University of New York.
[citation needed] Hauber focused his research on parasitic birds and the impact of climate change.
[10] He showed that in unstable climates, distributing eggs amongst a variety of different nests made a species more resilient.