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Usage of specialized fence-gaps in a black rhinoceros conservancy in Kenya

Fencing is increasingly used in wildlife conservation. Keeping wildlife segregated from local communities, while permitting wildlife access to the greater landscape matrix is a complex task. We investigated the effectiveness of specially designed fence-gaps on animal movement at a Kenyan rhinoceros conservancy, using camera-traps over a four-year period. The fence-gap design restricted the movement of black (Diceris bicornis) and white rhinoceroses (Ceratotherium simum simum) but permitted the movement of other species. We documented over 6000 crossing events of over 50

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A ghost fence-gap: surprising wildlife usage of an obsolete fence crossing

Wildlife fencing has become more prevalent throughout Africa, although it has come with a price of increased habitat fragmentation and loss of habitat connectivity. In an effort to increase connectivity, managers of fenced conservancies can place strategic gaps along the fences to allow wildlife access to outside habitat, permitting exploration, dispersal and seasonal migration. Wildlife can become accustomed to certain movement pathways and can show fidelity to these routes over many years, even at the path level. Our study site

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Evaluating expert-based habitat suitability information of terrestrial mammals with GPS-tracking data

Aim: Macroecological studies that require habitat suitability data for many species often derive this information from expert opinion. However, expert-based information is inherently subjective and thus prone to errors. The increasing availability of GPS tracking data offers opportunities to evaluate and supplement expert-based information with detailed empirical evidence. Here, we compared expert-based habitat suitability information from the International Union for Conservation of Nature (IUCN) with habitat suitability information derived from GPS-tracking data of 1,498 individuals from 49 mammal species. Location:

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Observations on the giraffe central nervous system related to the corticospinal tract, motor cortex and spinal cord: what difference does a long neck make?

The mammalian corticospinal tract is known to contain axons that travel from the cerebral cortex to various levels of the spinal cord and its main function is thought to be the mediation of voluntary movement. The current study describes neuroanatomy related to the corticospinal tract of the giraffe. This animal presents a specific morphology that may present challenges to this neural pathway in terms of the metabolism required for correct functioning and maintenance of potentially very long axons. The spinal

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Gaits in mammals

In recent years there has been a great deal of published work on movements of various mammals, in particular, studies on the bone morphology and range of movements of joints, the muscle structure and places of muscle attachment, the physiology of muscle performance, the peculiarities of species as mechanical systems and the specific leg movements in the gaits of some common mammals — monkeys, cheetahs, dogs, horses and pecoran species. No comprehensive work on the gaits of mammals has been

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Home ranges, seasonal ranges and daily movements of giraffe (Giraffa camelopardalis giraffa) in northern Botswana

Introduction: Movement studies have been conducted on various giraffe subspecies across different ecological and management environments in Africa. However, prior to recent advancements in technology, studies were limited to identification methods relying on chance encounters of individuals (e.g. Foster, 1966; Berry, 1978; le Pendu & Ciofolo, 1999) and VHF radio-tracking (e.g. Langman, 1973; Dagg & Foster, 1982), which can underestimate movements (Fennessy, 2009). Now, GPS satellite units enable remote monitoring of movements with the increased ability to collect more accurate

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