found: Hauber, Mark E. The book of eggs, 2014:ECIP title page (Mark E. Hauber)
found: The chicken, 2018:page 217 (Dr. Mark Hauber is professor at Hunter College and the Graduate Center of the City University of New York. He teaches animal behavior and conservation. He's the head of biopsychology and behavioral neuroscience. He's the editor of Ethology)
found: OCLC, Oct. 23, 2013:(hdg.: Hauber, Mark Erno, 1972-; usage: Mark Erno Hauber)
found: Hunter College WWW site, Oct. 23, 2013"Mark E. Hauber" webpage (Mark E. Hauber, researcher at the Hunter College, Department of Psychology (New York), holds Ph. D. from Cornell University in Neurobiology and Behavior, specializes in evolutionary hypotheses and ecological contexts of animal behavior)