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Behaviour and Population Dynamics of Maasai Giraffe (Giraffa camelopardalis) on a Kenyan Game Ranch

A study was carried out to obtain information on behaviour, social organisation, movement pattern, feeding habits and population dynamics of the Maasai giraffe (Giraffa camelopardalis) on Game Ranching Limited (GRL), Athi River, Kenya; and to use modelling and simulation techniques to assess different options for harvesting the GRL’s giraffe population. An existing giraffe photo-file was regularly updated during the course of the study. Individually known focal giraffes were followed for periods of 6 or 12 hours during daytime and their

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Factors Affecting Group Size and Vigilance Behaviour of Maasai Giraffe (Giraffa camelopardalis tippelskirchi) on the Serengeti-Ngorongoro Ecosystem, Tanzania

This study investigated the factors affecting different group sizes of Maasai giraffe (Giraffa camelopardalis tippelskirchi) in the Serengeti-Ngorongoro ecosystem. The study was motivated to test the following hypotheses: 1) in a given group, the sex ratio of males to females with calves is related to group size; 2) group size affects vigilance behaviour; 3) illegal hunting influences group size and vigilance behaviour; and 4) group size differs in different habitats, being larger in woodlands during the wet season and in

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Fission–fusion dynamics of a megaherbivore are driven by ecological, anthropogenic, temporal, and social factors

Fission–fusion dynamics hypothetically enable animals to exploit dispersed and ephemeral food resources while minimizing predation risk. Disentangling factors affecting group size and composition of fission–fusion species facilitates their management and conservation. We used a 6-year data set of 2888 group formations of Masai giraffes in Tanzania to investigate determinants of social group size and structure. We tested whether ecological (lion density, vegetation structure, and prevalence of primary forage plants), anthropogenic (proximity to human settlements), temporal (rainy or dry season), and

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Population Status and Trend of the Maasai Giraffe in the Mid Kenya-Tanzania Borderland

Among the nine sub-species of giraffes, the Maasai giraffe is the most widespread and common in Northern and Southern Kenya. Although it’s considered by the IUCN to be a species of no conservation concern, they have been reported to have declined in some of their range areas mostly due to bush meat activities, habitat fragmentation and loss. There are also concerns recent climatic changes especially prevalence of droughts is increasingly becoming another threat to their survival. In this regard, this

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Failure of a Chemical Spray to Significantly Reduce Stereotypic Licking in a Captive Giraffe

The repetitive licking of nonfood substrates is a common stereotypic behavior in captive giraffes. In this study we attempted to reduce stereotypic licking in a Masai giraffe (Giraffa camelopardalis tippelskirchi) by applying a bitter chemical (marketed as a taste deterrent to prevent the unwanted licking and chewing of substrates) to the areas of the fence licked most frequently by the giraffe. We hypothesized that this treatment would reduce stereotypic licking. However, there were no significant overall changes in stereotypic licking

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