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Seasonal variation in the feeding ecology of black rhinoceros (Diceros bicornis L.) in Laikipia, Kenya

Daily indirect observations were made on the diet and feeding habits of the black rhinoceros (Diceros bicornis L.) on Ol Ari Nyiro Ranch, Laikipia, Kenya over a six-month period. Individual rhinos were followed along their feeding tracks, plants consumed by tracked animals were identified and herbivory quantified. In total, 9665 individual feeding points were recorded at 1967 feeding stations. At least 103 plant species from at least 37 families were identified as rhino food plants. The diet of black rhinos

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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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Effect of low rainfall and browsing by large herbivores on an enclosed savannah habitat in Kenya

Savannah ecosystems in East Africa are rarely stable and can experience rapid local changes from dense woodlands to open plains. In this 3-year study there was a reduction of 16.3% in a height-stratified sample of nearly 1000 individually marked Acacia drepanolobium trees. The study was carried out in an enclosed fire-free wooded grassland habitat in the Laikipia region of Kenya. The trees were monitored from 1998 to 2001, a period that included 12 months when rainfall was 60% below average.

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