Contrafreeloading Indicating the Behavioural Need to Forage in Healthy and Feather Damaging Grey Parrots

Authors: Yvonne R. A. van Zeeland, Nico J. Schoemaker, Johannes T. Lumeij

Publication/Journal: Animals

Keywords: enrichment, feather damaging behaviour, feather picking, feather plucking, foraging, psittacine, psittacus erithacus

2023

Biological and environmental factors as sources of variation in nocturnal behavior of giraffe

Authors: Anna Lena Burger, Johannes Hartig, Paul W Dierkes

Publication/Journal: Zoo Biology

Keywords: activity budget, giraffe, linear mixed modeling, nocturnal behavior, sleep behavior

2021

Effects of Positive Reinforcement Training and Novel Object Exposure on Salivary Cortisol Levels under Consideration of Individual Variation in Captive African Elephants (Loxodonta africana)

Authors: Susan Hambrecht, Ann-Kathrin Oerke, Michael Heistermann, Johannes Hartig, Paul W Dierkes

Publication/Journal: Animals

Keywords: glucocorticoid response, individuality, physiological stress, zoo elephants

2021

Shedding light into the dark: age and light shape nocturnal activity and sleep behaviour of giraffe

Authors: Anna Lena Burger, Johannes Hartig, Paul W Dierkes

Publication/Journal: Applied Animal Behaviour Science

Keywords: giraffe, linear mixed models, nocturnal activity budget, rest-activity cycle

2020

Mate choice screening in captive solitary carnivores: The role of male behavior and cues on mate preference and paternity in females of a model species, American mink (Neovison vison)

Authors: Christina Lehmkuhl Noer, Thorsten Johannes Skovbjerg Balsby, Razvan Anistoroaei, Mikkel Stelvig, Torben Dabelsteen

Publication/Journal: Zoo Biology

Keywords: american mink, breeding success, mate choice, mate preference, olfaction

2017

Personality matters: Consistency of inter-individual variation in shyness-boldness across non-breeding and pre-breeding season despite a fall in general shyness levels in farmed American mink (Neovison vison)

Authors: Christina Lehmkuhl Noer, Esther Kjær Needham, Ann-Sophie Wiese, Thorsten Johannes Skovbjerg Balsby, Torben Dabelsteen

Publication/Journal: Applied Animal Behaviour Science

Keywords: american mink, animal personality, breeding season, intra-individual variation, motivation, shyness-boldness

2016

Restricted vs. unrestricted wheel running in mice: Effects on brain, behavior and endocannabinoids

Authors: Sarah V. Biedermann, Matthias K. Auer, Laura Bindila, Gabriele Ende, Beat Lutz, Wolfgang Weber-Fahr, Peter Gass, Johannes Fuss

Publication/Journal: Hormones and Behavior

Keywords: anandamide, c57bl/6 mice, endocannabinoids, exercise, hippocampus, mr spectroscopy, mr volumetry, neurogenesis, physical activity, stereotypy

2016

Sward botanical composition and sward quality affect the foraging behaviour of free-range laying hens

Authors: Laura Breitsameter, Matthias Gauly, Johannes Isselstein

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, chicken, enrichment, foraging behaviour, layer, poa supina

2014

Efficacy of foraging enrichments to increase foraging time in Grey parrots (Psittacus erithacus erithacus)

Authors: Yvonne R. A. van Zeeland, Nico J. Schoemaker, Manon M. Ravesteijn, Marjon Mol, Johannes T. Lumeij

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, environmental enrichment, foraging, foraging enrichment, parrot, psittacine

2013

Grooming network cohesion and the role of individuals in a captive chimpanzee group

Authors: Patricia Kanngiesser, Cédric Sueur, Katrin Riedl, Johannes Grossmann, Josep Call

Publication/Journal: American Journal of Primatology

Keywords: betweenness, grooming, primates, resiliency, social network

2011

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