About pace: How variations in method and definition affect quantification of pacing in bears?

Authors: Laura M Bernstein‐Kurtycz, Kayla G Wiatroski, Austin Leeds, Kristen E Lukas

Publication/Journal: Zoo Biology

Keywords: bears, pacing, stereotypy

2022

Automated Video-Based Analysis Framework for Behavior Monitoring of Individual Animals in Zoos Using Deep Learning—A Study on Polar Bears

Authors: Matthias Zuerl, Philip Stoll, Ingrid Brehm, René Raab, Dario Zanca, Samira Kabri, Johanna Happold, Heiko Nille, Katharina Prechtel, Sophie Wuensch

Publication/Journal: Animals

Keywords: animal behavior, animal monitoring, animal welfare, behavior observation, deep learning, object detection, ursus maritimus

2022

Effects of Complex Feeding Enrichment on the Behavior of Captive Malayan Sun Bears (Helarctos malayanus)

Authors: Yasmeen Ghavamian, Darren E Minier, Karin Enstam Jaffe

Publication/Journal: Journal of Applied Animal Welfare Science

Keywords: animal welfare, behavioral enrichment, species-typical behavior, stereotypic behavior, stereotypy

2022

‘Bearly’ Changing with the Seasons: Bears of Five Species Show Few Behavioral Changes Across Seasons and at Varying Visitor Densities

Authors: L.M. Bernstein-Kurtycz, D. Koester, R. Snyder, J. Vonk, M.A. Willia, K. E. Lukas

Publication/Journal: Animal Behavior and Cognition

Keywords: bear behavior, COVID-19, crowd size, daily attendance, season, visitor effect

2021

Behavior and Habitat Use Remain Diverse and Variable in Modern Zoological Exhibits over the Long-Term: Case Studies in 5 Species of Ursidae

Authors: David M Powell, Eli Baskir

Publication/Journal: Journal of Zoological and Botanical Gardens

Keywords: activity budget, bears, behavioral variation, entropy, seasonal, welfare, zoo

2021

A Critical review of animal-based welfare indicators for polar bears (Ursus maritimus) in zoos: Identification and evidence of validity

Authors: CR Skovlund, MK Kirchner, LW Moos, N Alsted, X Manteca, O Tallo-Parra, M Stelvig

Publication/Journal: Animal Welfare

Keywords: animal welfare, behaviour, polar bear, welfare assessment, welfare indicators, zoo welfare

2021

Developing a Reliable Welfare Assessment Tool for Captive Hibernatory Bear Species

Authors: Chloe J Maher, Angela Gibson, Laura M Dixon, Heather Bacon

Publication/Journal: Animals

Keywords: animal welfare, bear, keeper ratings, ursidae, welfare assessment, zoo animal welfare

2021

DNA Damage as a Potential Non-Invasive Indicator of Welfare: A Preliminary Study in Zoo-Housed Grizzly Bears (Ursus arctos horribilis)

Authors: Grace Fuller, Jennifer Hamilton, Stephanie Allard

Publication/Journal: Journal of Zoological and Botanical Gardens

Keywords: 8-hydroxy-2′-deoxyguanosine, 8-OHdG, animal welfare indicator, glucocorticoids, grizzly bear, oxidative stress

2021

Appetitive Search Behaviors and Stereotypies in Polar Bears (Ursus maritimus)

Authors: Eduardo J Fernandez

Publication/Journal: Behavioural Processes

Keywords: appetitive behavior, polar bears, response-independent schedules, stereotypies, welfare, zoos

2020

Faecal glucocorticoid metabolites as a measure of adrenocortical activity in polar bears (Ursus maritimus)

Authors: Anna Hein, Rupert Palme, Katrin Baumgartner, Lorenzo von Fersen, Benno Woelfing, Alex D Greenwood, Thea Bechshoft, Ursula Siebert

Publication/Journal: Conservation Physiology

Keywords: adrenocortical activity, faecal glucocorticoid metabolite monitoring, polar bear, stress

2020