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References by this author
Hodgden, R. 2001. Using daily keeper questionnaires to predict estrus in rhinos. In: Schwammer, H.M.; Foose, T.J.; Fouraker, M.; Olson, D. 2001. Recent research on elephants and rhinos: Abstracts of the International Elephant and Rhino Research Symposium, June 7-11, 2001. Vienna, Zoologischer Garten. pp. 74-75.
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Hodgden, R. 1998. Reproductive management and research of 1.1 Eastern Black rhinoceros (Diceros bicornis michaeli) at Zoo Atlanta. AZA Annual Conference Proceedings 1997: 304-306.
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Hodgden, R. 1997. Rhino behavior study. Karatasi (White Oak Conservation Center newsletter) Winter 1996/1997: 9, figs. 1-2.
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Hodgden, R. 1997. Enrichment studies of 1.1 Black rhinoceros (Diceros bicornis michaeli) at Zoo Atlanta. AZA Regional Conference Proceedings 1996: 262-268, 9 figures.
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Hodgden, R. 1991. Short-term separation and stress of mother and daughter southern white rhinoceroses at the North Carolina Zoological Park (abstract). Applied Animal Behavior Science 29: 513.
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Hodgden, R. 1989. Short-term separation and stress of mother and daughter Southern White rhinoceroses (Ceratotherium simum simum) at the North Carolina Zoological Park. AAZPA Regional Conference Proceedings 1988: 272-279, 5 figures.
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