‘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

Animal Welfare in Predator Control: Lessons from Land and Sea. How the Management of Terrestrial and Marine Mammals Impacts Wild Animal Welfare in Human–Wildlife Conflict Scenarios in Europe

Authors: Laetitia Nunny

Publication/Journal: Animals

Keywords: animal welfare, human–wildlife conflict, pest, predator, welfare assessment, welfare domains, welfare impact, wildlife

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

Seasonal and Daily Activity of Two Zoo-Housed Grizzly Bears (Ursus Arctos Horribilis)

Authors: Eduardo J Fernandez, Ellen Yoakum, Nathan Andrews

Publication/Journal: Journal of Zoological and Botanical Gardens

Keywords: behavior, circadian, circannual, grizzlies, stereotypies, ursids, zoos

2020

Thermoregulation in Malayan sun bears (Helarctos malayanus) and its consequences for in situ conservation

Authors: Marion Schneider, Thomas Ziegler, Lydia Kolter

Publication/Journal: Journal of Thermal Biology

Keywords: climate change, helarctos malayanus, infrared thermography, malayan sun bear, thermoneutral zone, thermoregulation

2020

Assessing animal welfare at the farm level: do we care sufficiently about the individual?

Authors: C. Winckler

Publication/Journal: Animal Welfare

Keywords: animal welfare, group measures, individual measures, on-farm assessment, purpose, welfare improvement

2019