Karen Lewis

Individual and environmental factors associated with stereotypic behavior and fecal glucocorticoid metabolite levels in zoo housed polar bears

David Shepherdson, Karen Lewis, Kathy Carlstead et al. · Applied Animal Behaviour Science · 2013 · 127 citations

Animal Physiology, Biology, Animal Behaviour +9

A survey of elephant husbandry and foot health in North American zoos

Karen Lewis, David Shepherdson, Terrah M. Owens et al. · Zoo Biology · 2009 · 69 citations

Supporting Zoo Asian Elephant (Elephas maximus) Welfare and Herd Dynamics with a More Complex and Expanded Habitat

Sharon S. Glaeser, David Shepherdson, Karen Lewis et al. · Animals · 2021 · 24 citations · Full text

An island of wildlife in a human-dominated landscape: The last fragment of primary forest on the Osa Peninsula’s Golfo Dulce coastline, Costa Rica

Beatriz Lopez Gutierrez, Angélica M. Almeyda Zambrano, Sandra L. Almeyda Zambrano et al. · PLoS ONE · 2019 · 12 citations · Full text

Biodiversity Loss, Human-dominated Landscape, Engineering +17