Hodgden, R.
Hodgden, R. 2001. Using daily keeper questionnaires to predict estrus in rhinos.
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.
Hodgden, R. 1997. Rhino behavior study. Karatasi (White Oak Conservation Center newsletter) Winter 1996/1997: 9, figs. 1-2.
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.
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.
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.






