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Date: 05/11/25
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Our Goals

  1. Acquire and make easily accessible to zoo and aquarium professionals the current body of knowledge on animal welfare and ethics.
  2. Conduct and facilitate welfare assessments and applied welfare research on captive exotic animals.
  3. Convene important discussions and presentations on captive exotic animal welfare and ethics.
  4. Train professionals on captive exotic animal welfare best practices and policies.
  5. Recognize advances in improving captive exotic animal welfare and ethics through awards.
URL: https://detroitzoo.org/resources/?fwp_search=J.%20Edgar&ignore=title%2Cabstract%2Cpublication%2Ckeywords

Behavioural and physiological responses of laying hens to automated monitoring equipment

Authors: Stephanie Buijs, Francesca Booth, Gemma Richards, Laura McGaughey, Christine J. Nicol, Joanne Edgar, John F. Tarlton

Publication/Journal: Applied Animal Behaviour Science

Keywords: aggression, automated monitoring, domestic fowl, preening, thermography

2018

Effects of maternal vocalisations on the domestic chick stress response

Authors: Joanne Edgar, Ilana Kelland, Suzanne Held, Elizabeth Paul, Christine Nicol

Publication/Journal: Applied Animal Behaviour Science

Keywords: behaviour, chicken, maternal, simulation, vocalisation, welfare

2015

Social buffering in a bird

Authors: Joanne Edgar, Suzanne Held, Elizabeth Paul, Isabelle Pettersson, Robbie I'Anson Price, Christine Nicol

Publication/Journal: Animal Behaviour

Keywords: bird, chicken, empathy, maternal, social buffering, socially mediated arousal

2015

Protective mother hens: cognitive influences on the avian maternal response

Authors: J. L. Edgar, E. S. Paul, C. J. Nicol

Publication/Journal: Animal Behaviour

Keywords: animal welfare, behaviour, chicken, cognition, cognitive empathy, distress, emotion, empathy, gallus gallus domesticus, maternal response

2013

Surface temperature changes in response to handling in domestic chickens

Authors: J. L. Edgar, C. J. Nicol, C. A. Pugh, E. S. Paul

Publication/Journal: Physiology & Behavior

Keywords: animal welfare, chicken, infrared thermography, non-invasive, stress-induced hyperthermia, thermal imaging

2013

Relationships between multiple welfare indicators measured in individual chickens across different time periods and environments

Authors: C.j. Nicol, G. Caplen, J. Edgar, G. Richards, W.j. Browne

Publication/Journal: Animal Welfare

Keywords: animal welfare, cluster analysis, laying hen, multi-level modelling, stress, welfare indicator

2011

The effect of mirrors on the behaviour of singly housed male and female laboratory rabbits

Authors: J. L. Edgar, S. C. Seaman

Publication/Journal: Animal Welfare

Keywords: animal welfare, behavior, behaviour, laboratory rabbit, mirror, single caging, social isolation

2010

Associations between welfare indicators and environmental choice in laying hens

Authors: Christine J. Nicol, Gina Caplen, Joanne Edgar, William J. Browne

Publication/Journal: Animal Behaviour

Keywords: animal welfare, choice decision making, gallus gallus, laying hen, stress, welfare indicator

2009

Female crickets are driven to fight by the male courting and calling songs

Authors: Jan Rillich, Edgar Buhl, Klaus Schildberger, Paul A. Stevenson

Publication/Journal: Animal Behaviour

Keywords: aggression, agonistic behavior, agonistic behaviour, competition, cricket, gryllus campestris, polyandry, resources, sexual selection

2009

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The Detroit Zoological Society – a renowned leader in
humane education, wildlife conservation, animal welfare
and sustainability – operates the Detroit Zoo and Belle Isle Nature Center.

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