A survey of elephant husbandry and foot health in North American zoos
Publication/Journal: Zoo Biology
Keywords: enrichment, exercise, health, logistic regression, pathology
2010
Division of labour within cooperatively breeding groups
Publication/Journal: Behaviour
Keywords: behavioral syndromes, cooperative breeding, division of labour, provisioning. mobbing
2005
The comparative method in conservation biology
Publication/Journal: Trends in Ecology & Evolution
Keywords: conservation biology, phylogenetic comparisons
2004
Ultraviolet light and reptiles, amphibians
Publication/Journal: Journal of Herpetological Medicine and Surgery
Keywords: amphibian, disease, reptile, ultraviolet light
2003
Ultraviolet signals in birds are special
Publication/Journal: Proceedings of the Royal Society B: Biological Sciences
Keywords: birds, color, colour, fluorescence, sexual selection, signalling, ultraviolet reflectance
2003
Seasonal reproductive cycle of the Galápagos tortoise (Geochelone nigra) in captivity
Publication/Journal: Zoo Biology
Keywords: gonadal steroids, reptilia, testudines, testudinidae, total calcium, ultrasonography, vitellogenesis
1998
Ultrasound imaging of reproductive organs and eggs in Galapagos tortoises, Geochelone elephantopus spp
Publication/Journal: Zoo Biology
Keywords: laparoscope, oviductal eggs, reproduction
1990