Hippopotamus ≈ HippopotamusHippopotamus
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War-induced collapse and asymmetric recovery of large-mammal populations in Gorongosa National Park, Mozambique Open
How do large-mammal communities reassemble after being pushed to the brink of extinction? Few data are available to answer this question, as it is rarely possible to document both the decline and recovery of wildlife populations. Here we p…
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Carbon stable isotopes suggest that hippopotamus‐vectored nutrients subsidize aquatic consumers in an East African river Open
The common hippopotamus, Hippopotamus amphibius , transports millions of tons of organic matter annually from its terrestrial feeding grounds into aquatic habitats. We evaluated whether carbon stable isotopes (δ 13 C) can be used as tracer…
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A review of sarcoptic mange in North American wildlife Open
The "itch mite" or "mange mite", Sarcoptes scabiei, causes scabies in humans and sarcoptic mange in domestic and free-ranging animals. This mite has a wide host range due to its ability to adapt to new hosts and has been spread across the …
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Wildlife Population Dynamics in Human-Dominated Landscapes under Community-Based Conservation: The Example of Nakuru Wildlife Conservancy, Kenya Open
Wildlife conservation is facing numerous and mounting challenges on private and communal lands in Africa, including in Kenya. We analyze the population dynamics of 44 common wildlife species in relation to rainfall variation in the Nakuru …
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HOW MANY HIPPOS (HOMHIP): ALGORITHM FOR AUTOMATIC COUNTS OF ANIMALS WITH INFRA-RED THERMAL IMAGERY FROM UAV Open
The common hippopotamus (Hippopotamus amphibius L.) is part of the animal species endangered because of multiple human pressures. Monitoring of species for conservation is then essential, and the development of census protocols has to be c…
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A 1.4-million-year-old bone handaxe from Konso, Ethiopia, shows advanced tool technology in the early Acheulean Open
Significance We report a rare example of a 1.4-million-y-old large bone fragment shaped into handaxe-like form. This bone tool derives from the Konso Formation in southern Ethiopia, where abundant early Acheulean stone artifacts show consi…
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Effects of the hippopotamus on the chemistry and ecology of a changing watershed Open
Significance Hippopotami exert a strong influence on the biogeochemistry and ecology of freshwater ecosystems by excreting terrestrially derived organic matter into these systems. These impacts are likely to be strongly controlled by hydro…
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UAS imagery reveals new survey opportunities for counting hippos Open
This study is a promising approach for routine surveys of the hippopotamus which is a species usually ignored in wildlife counts. Drone technology is expected to improve rapidly; therefore UAS could become a very useful and affordable surv…
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A phylogenomic analysis of the role and timing of molecular adaptation in the aquatic transition of cetartiodactyl mammals Open
Recent studies have reported multiple cases of molecular adaptation in cetaceans related to their aquatic abilities. However, none of these has included the hippopotamus, precluding an understanding of whether molecular adaptations in ceta…
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Preventing crop raiding by the Vulnerable common hippopotamus <i>Hippopotamus amphibius</i> in Guinea-Bissau Open
Guinea-Bissau is host to the westernmost subpopulation of the common hippopotamus Hippopotamus amphibius , which is one of only two known populations inhabiting coastal waters. The presence of hippopotamuses causes conflict with rice farme…
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Hippopotamus are distinct from domestic livestock in their resource subsidies to and effects on aquatic ecosystems Open
In many regions of the world, populations of large wildlife have been displaced by livestock, and this may change the functioning of aquatic ecosystems owing to significant differences in the quantity and quality of their dung. We develope…
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Hippos ( <i>Hippopotamus amphibius</i> ): The animal silicon pump Open
Grazing hippos are key species in transfer of silicon from terrestrial grasses to lake diatoms.
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Good news from north-central Africa: largest population of Vulnerable common hippopotamus <i>Hippopotamus amphibius</i> is stable Open
North-central Africa (i.e. Cameroon, the Central African Republic and Chad) once held important populations of large mammals, including the hippopotamus Hippopotamus amphibius . Exports of hippopotamus trophies from Cameroon were suspended…
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Ecosystem effects of the world’s largest invasive animal Open
The keystone roles of mega‐fauna in many terrestrial ecosystems have been lost to defaunation. Large predators and herbivores often play keystone roles in their native ranges, and some have established invasive populations in new biogeogra…
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Organization of the sleep‐related neural systems in the brain of the river hippopotamus (<i>Hippopotamus amphibius</i>): A most unusual cetartiodactyl species Open
This study provides the first systematic analysis of the nuclear organization of the neural systems related to sleep and wake in the basal forebrain, diencephalon, midbrain, and pons of the river hippopotamus, one of the closest extant ter…
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Spatial ecology of male hippopotamus in a changing watershed Open
The obligate dependency of the common hippopotamus, Hippopotamus amphibius , on water makes them particularly vulnerable to hydrological disturbances. Despite the threats facing this at-risk species, there is a lack of information regardin…
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Direct Dating and Physico-Chemical Analyses Cast Doubts on the Coexistence of Humans and Dwarf Hippos in Cyprus Open
In the Mediterranean, the island dwarf megafaunas became extinct around the end of the Pleistocene, during a period of rapid and global climate change. In Cyprus, this coincided with the first human presence on the island, as attested by t…
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Role of Food Insecurity in Outbreak of Anthrax Infections among Humans and Hippopotamuses Living in a Game Reserve Area, Rural Zambia Open
In September 2011, a total of 511 human cases of anthrax (Bacillus anthracis) infection and 5 deaths were reported in a game management area in the district of Chama, Zambia, near where 85 hippopotamuses (Hippopotamus amphibious) had recen…
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X Chromosome Evolution in Cetartiodactyla Open
The phenomenon of a remarkable conservation of the X chromosome in eutherian mammals has been first described by Susumu Ohno in 1964. A notable exception is the cetartiodactyl X chromosome, which varies widely in morphology and G-banding p…
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Spatio-temporal epidemiology of anthrax in Hippopotamus amphibious in Queen Elizabeth Protected Area, Uganda Open
These findings suggest mixed point-source propagated pattern of epidemic spread amongst hippos and points to likelihood of indirect spread of anthrax spores between hippos mediated by their social behaviour, forces of water flow, and persi…
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Habitat suitability analysis for hippopotamus (H. amphibious) using GIS and remote sensing in Lake Tana and its environs, Ethiopia Open
This research was carried out from October 2013 to May 2014. Hippopotamus amphibious is a mammalian species distributed in different lakes and rivers where ecological requirements are fulfilled for its survival. Lake Tana and its environs …
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The Effect of Reduced Water Availability in the Great Ruaha River on the Vulnerable Common Hippopotamus in the Ruaha National Park, Tanzania Open
In semi-arid environments, 'permanent' rivers are essential sources of surface water for wildlife during 'dry' seasons when rainfall is limited or absent, particularly for species whose resilience to water scarcity is low. The hippopotamus…
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Eco-epidemiological and pathological features of wildlife mortality events related to cyanobacterial bio-intoxication in the Kruger National Park, South Africa Open
Over the past decade, several clustered, multispecies, wildlife mortality events occurred in the vicinity of two man-made earthen dams in the southern and south central regions of the Kruger National Park, South Africa. On field investigat…
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Paleobiogeographical origins of Fasciola hepatica and F. gigantica in light of new DNA sequence characteristics of F. nyanzae from hippopotamus Open
Fascioliasis is a highly pathogenic disease affecting humans and livestock worldwide. It is caused by the liver flukes Fasciola hepatica transmitted by Galba / Fossaria lymnaeid snails in Europe, Asia, Africa, the Americas and Oceania, and…
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Drone-based effective counting and ageing of hippopotamus (Hippopotamus amphibius) in the Okavango Delta in Botswana Open
Accurately estimating hippopotamus (Hippopotamus amphibius) numbers is difficult due to their aggressive nature, amphibious lifestyle, and habit of diving and surfacing. Traditionally, hippos are counted using aerial surveys and land/boat …
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Livestock as vectors of organic matter and nutrient loading in aquatic ecosystems in African savannas Open
Populations of large wildlife have declined in many landscapes around the world, and have been replaced or displaced by livestock. The consequences of these changes on the transfer of organic matter (OM) and nutrients from terrestrial to a…
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Short remarks on the occurrences of continental Hippopotamus (Mammalia, Hippopotamidae) in Italy Open
Several Pleistocene hippopotamid remains have been collected from the Italian Peninsula, but some of them lack any stratigraphic data or details about the fossil localities. The Hippopotamus was present in Italy and Western Europe from the…
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Brain Changes during Phyletic Dwarfing in Elephants and Hippos Open
Of all known insular mammals, hippos and elephants present the extremes of body size decrease, reducing to 4 and a mere 2% of their ancestral mainland size, respectively. Despite the numerous studies on these taxa, what happens to their re…
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Potential ecological and socio-economic effects of a novel megaherbivore introduction: the hippopotamus in Colombia Open
Introduced species can have strong ecological, social and economic effects on their non-native environment. Introductions of megafaunal species are rare and may contribute to rewilding efforts, but they may also have pronounced socio-ecolo…
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Human-wildlife conflicts with crocodilians, cetaceans and otters in the tropics and subtropics Open
Conservation of freshwater biodiversity and management of human-wildlife conflicts are major conservation challenges globally. Human-wildlife conflict occurs due to attacks on people, depredation of fisheries, damage to fishing equipment a…