Gerardo Ceballos

Gerardo Jorge Ceballos González (born 3 October 1958) is a Mexican biologist, ecologist, and conservationist.

Biography Ceballos was born in Toluca in 1958, the son of Oscar Ceballos and Leonor González. From 1975 to 1979 he studied at the Universidad Autónoma Metropolitana in Iztapalapa, where he received a bachelor's degree in biology and ecology. From 1979 to 1980 he was a lecturer at the Institute of Ecology in Mexico City. In 1980 he obtained a Master of Science degree at Bangor University in Wales with the thesis Experimental studies of grazing and its role in the balance of plant species. From 1984 to 1987 he taught at the Institute of Ecology at the University of Arizona in Tucson. In 1988 he was a visiting lecturer at the National Autonomous University of Mexico (UNAM). In 1989 he earned his Ph.D. at the University of Arizona with the dissertation Population and community ecology of small mammals from tropical deciduous and arroyo forests in western Mexico. In the same year he was a visiting lecturer at the University of New Mexico in Albuquerque. Since 1990 he has been a professor of biology at UNAM.

Ceballos's research areas include population and community ecology, macroecology and biogeography, the ecology and conservation of endangered species, the design and preservation of nature reserves, and environmental impact assessment and ecological planning.

Selected works Mamíferos silvestres de la cuenca de México, 1984 (with Carlos Galindo Leal) Mexican Diversity of Fauna, 1993 (with Fulvio Eccardi and Patricio Robles Gil) Las aves de México en peligro de extinción, 2000 (with Laura Márquez Valdelamar) Diversidad y conservación de los mamíferos neotropicales, 2002 (with Javier Simonetti) The mammals of Mexico: composition, distribution, and conservation status, 2002 (with Joaquín Arroyo-Cabrales and Rodrigo A. Medellín) Animales de México en peligro de extinción, 2003 (with Fulvio Eccardi) Los mamíferos silvestres de México, 2005 (with Gisselle Oliva) Naturaleza mexicana: legado de conservación, 2008 (with Rurik List, Rodrigo A. Medellín, Ximena de la Macorra, Antonio Vizcaíno, Jorge Alberto Sandoval, Teléfonos de México and Grupo Carso) Mammals of Mexico, 2014 The annihilation of nature: human extinction of birds and mammals, 2015 (with Anne H. Ehrlich and Paul R. Ehrlich) Before They Vanish: Saving Nature’s Populations – and Ourselves, 2024 (with Paul R. Ehrlich and Rodolfo Dirzo)