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Fecal steroid analysis of female giraffe (Giraffa camelopardalis) reproductive condition and the impact of endocrine status on daily time budgets

Gestation and lactation can impose substantial energetic costs on female mammals. We developed a non-invasive means to determine reproductive condition in female giraffe using fecal steroid analysis. Giraffe may be especially challenged during their reproductive cycle because of two characteristics: they are impregnated while lactating and they do not breed seasonally. We studied the social behavior and endocrinology of seven female giraffe in a large naturalistic outdoor enclosure in order to chart connections between maternal physiology and behavior across the

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Developing models for mother–infant behaviour in Black rhinoceros and Reticulated giraffe (Diceros bicornis michaeli and Giraffa camelopardalis reticulata) at Brookfield Zoo, Illinois

For over a decade the behaviours of mothers and newborn calves of Black rhinoceros Diceros bicornis michaeli and Reticulated giraffe Giraffa camelopardalis reticulata have been observed at Brookfield Zoo during the critical first few weeks post-partum. Consistent patterns were seen for individuals within species, allowing models of time budgets, including ranges of variability surrounding each behaviour, to be developed. Once the model is created any data collected for neonates can be compared to the mean values in the model so

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