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The laws protecting animals and ecosystems (2017)
Book
Rees, P. (2017). The laws protecting animals and ecosystems. Wiley. https://doi.org/10.1002/9781119288725

There is currently no basic text in wildlife law suitable for the wide range of courses in wildlife conservation and animal welfare at both bachelors and masters level, or for the large number of people who work in conservation and animal welfare; Th... Read More about The laws protecting animals and ecosystems.

Calculating association indices in captive animals : controlling for enclosure size and shape (2015)
Journal Article
Chadwick, C., Springate, D., Rees, P., Armitage, R., & O’Hara, S. (2015). Calculating association indices in captive animals : controlling for enclosure size and shape. Applied Animal Behaviour Science, 169, 100-106. https://doi.org/10.1016/j.applanim.2015.05.001

Indices of association are used to quantify and evaluate social affiliation among animals living in groups. Association models assume that physical proximity is an indication of social affiliation; however, individuals seen associating might simply b... Read More about Calculating association indices in captive animals : controlling for enclosure size and shape.

An introduction to zoo biology and management (2011)
Book
Rees, P. (2011). An introduction to zoo biology and management. Oxford: Wiley-Blackwell

This book is intended as an introductory text for students studying a wide range of courses concerned with animal management, zoo biology and wildlife conservation, and should also be useful to zookeepers and other zoo professionals. It is divided in... Read More about An introduction to zoo biology and management.

The sizes of elephant groups in zoos: implications for animal welfare (2009)
Journal Article
Rees, P. (2009). The sizes of elephant groups in zoos: implications for animal welfare. Journal of Applied Animal Welfare Science, 12(1), 44-60. https://doi.org/10.1080/10888700802536699

This study examined the distribution of 495 Asian elephants (Elephas maximus) and 336 African elephants (Loxodonta africana) in 194 zoos, most of which were located in Europe (49.1%) and North America (32.6%). Cows outnumbered bulls 4 to 1 (Loxodonta... Read More about The sizes of elephant groups in zoos: implications for animal welfare.

Activity budgets and the relationship between feeding and stereotypic behaviours in Asian elephants (Elephas maximus) in a zoo (2009)
Journal Article
Rees, P. (2009). Activity budgets and the relationship between feeding and stereotypic behaviours in Asian elephants (Elephas maximus) in a zoo. Zoo Biology, 28(2), 79-97. https://doi.org/10.1002/Zoo.20200

Activity budgets were studied in eight Asian elephants (Elephas maximus) at Chester Zoo (UK) for 35 days, between January and November 1999. Recordings were made between 10:00 and 16:00 hr (with most behavior frequencies calculated between 10:00 and... Read More about Activity budgets and the relationship between feeding and stereotypic behaviours in Asian elephants (Elephas maximus) in a zoo.

Are textbook references to Darwin close to extinction? (2008)
Journal Article
Rees, P. (2008). Are textbook references to Darwin close to extinction?. School science review, 331, 43-48

The textbooks used to teach GCE A-level biology 30 years ago tended to concentrate on traditional zoology and botany, with just a passing reference to evolution. As biology established itself as a new discipline, books (and syllabuses) began to tak... Read More about Are textbook references to Darwin close to extinction?.

The evolution of textbook misconceptions about Darwin (2007)
Journal Article
Rees, P. (2007). The evolution of textbook misconceptions about Darwin. Journal of Biological Education, 41(2), 53-55. https://doi.org/10.1080/00219266.2007.9656062

The EC Zoos Directive: A lost opportunity to implement the convention on biological diversity. (2005)
Journal Article
Rees, P. (2005). The EC Zoos Directive: A lost opportunity to implement the convention on biological diversity. Journal of International Wildlife Law and Policy, 8(1), 51-62. https://doi.org/10.1080/13880290590913723

The Convention on Biological Diversity 1992 requires contracting parties to take ex-situ conservation measures to protect biodiversity. This paper considers the effectiveness of the Zoos Directive in implementing this obligation within the European U... Read More about The EC Zoos Directive: A lost opportunity to implement the convention on biological diversity..

Low environmental temperature causes an increase in stereotypic behaviour in captive Asian elephants (Elephas maximus) (2003)
Journal Article
Rees, P. (2003). Low environmental temperature causes an increase in stereotypic behaviour in captive Asian elephants (Elephas maximus). Journal of Thermal Biology, 29(1), 37-43. https://doi.org/10.1016/j.jtherbio.2003.10.004

(1) Captive Asian elephants exhibited a strong negative correlation between maximum daily temperature and the frequency of stereotypic behaviour, in those animals predisposed to exhibit stereotypies. (2) The frequency of stereotypic behaviours increa... Read More about Low environmental temperature causes an increase in stereotypic behaviour in captive Asian elephants (Elephas maximus).

Urban environments and wildlife law (2002)
Book
Rees, P. (2002). Urban environments and wildlife law. Oxford: Blackwell Science

Asian elephants (Elephas maximus) dust bathe in response to an increase in environmental temperature. (2001)
Journal Article
Rees, P. (2001). Asian elephants (Elephas maximus) dust bathe in response to an increase in environmental temperature. Journal of Thermal Biology, 27(5), 353-358. https://doi.org/10.1016/S0306-4565%2801%2900100-0

(1) A captive herd of Asian elephants (Elephas maximus) exhibited dusting behaviour when the maximum daily temperature exceeded approximately 13oC, and dusting frequency increased directly with the environmental temperature. (2) Individual animals sh... Read More about Asian elephants (Elephas maximus) dust bathe in response to an increase in environmental temperature..

Is there a legal obligation to reintroduce animal species into their former habitats? (2001)
Journal Article
Rees, P. (2001). Is there a legal obligation to reintroduce animal species into their former habitats?. Oryx, 35(3), 216-223. https://doi.org/10.1017/S0030605300031884

Species reintroduction programmes are an important feature of global conservation efforts. There is evidence within the texts of some international and European laws of legal obligations to reintroduce species to their former habitats. However, these... Read More about Is there a legal obligation to reintroduce animal species into their former habitats?.

Captive breeding of Asian elephants (Elephas maximus): the importance of producing socially competent animals (2001)
Book Chapter
Rees, P. (2001). Captive breeding of Asian elephants (Elephas maximus): the importance of producing socially competent animals. In B. Hosetti, & M. Venkateshwarlu (Eds.), Trends in Wildlife Biodiversity, Conservation and Management. Delhi: Daya Publishing House

Gross assimilation efficiency and food passage time in the African elephant (1982)
Journal Article
Rees, P. (1982). Gross assimilation efficiency and food passage time in the African elephant. African journal of ecology, 20(3), 193-198. https://doi.org/10.1111/j.1365-2028.1982.tb00290.x

The amount of food consumed and dung voided by two captive African elephants was measured over a period of 7 days. The mean gross assimilation efficiency of the two elephants was calculated to be 22.4%. The food passage time was between 21.4 and 46 h... Read More about Gross assimilation efficiency and food passage time in the African elephant.

Urban feral cat colonies: identifying their habitats and monitoring their ecology (1978)
Book
Rees, P. (1978). N. Dunstone (Ed.), Urban feral cat colonies: identifying their habitats and monitoring their ecology. Mammal Society