The human population on earth has increased from 3 billion to 6 billion since 1960 and nearly 25% of the earth's terrestrial surface is now cultivated. The human pressure causes habitat fragmentation and has reduced populations of large carnivores throughout the world. Livestock depredation is the most …

De Europese otter is dankzij herintroductie sinds 2002 terug in Nederland. Doodsoorzaak nummer één, verkeer, is verantwoordelijk voor 80% van de ottersterfte in Nederland. Het terugdringen van het aantal verkeersslachtoffers is noodzakelijk om in Nederland een duurzame otterpopulatie te krijgen en kan …

The European Ground Squirrel (Spermophilus citellus) is an endemic, non-social, hibernating rodent, distributed through several Pan-European countries. Its habitat is semi-arid grass steppes and analogical man-made landscapes with short vegetation layers, such as meadows and golf courses. Since 1996, …

Het aantal wilde berberapen in Marokko neemt drastisch af. Een van de redenen hiervoor is de handel in jonge berberapen. Elk jaar worden er 300 tot 500 uit de populatie gevangen om verkocht te worden op de markt van de grote steden in Marokko en vervolgens naar Europa te worden gesmokkeld om als huidier …

Despite the polar bears’ long history of high popularity in zoo settings, many studies indicate that this wide-ranging species expresses many abnormal repetitive behaviours in captivity, such as stereotypic walking, head swinging and repetitive swimming bouts. This is also the case in the male polar …

Katten worden tegenwoordig steeds meer als volwaardig gezinslid gezien, wat invloed heeft op de algemene behandeling van het dier. Speficiek tijdens de vakantie van de eigenaar worden katten niet zomaar meer aan hun lot overgelaten. Vaak worden katten ondergebracht in dierenpensions of wordt er door …

This research aims to provide an overview of the current status of the three walrus sub-species found in the Arctic: the Atlantic walrus (Odobenus rosmarus rosmarus), the Pacific walrus (Odobenus rosmarus divergens) and the Laptev walrus (Odobenus rosmarus laptevi). In this report the focus will be on …

There is no clear overview of the current dietary practices and problems with regard to elephants within Dutch and Belgian zoos, so to be able to assess whether zoos comply with current requirements. The goal of this study was to gain insight in the present feeding practices of the African (Loxodonta …

To protect the otter population in the Netherlands, it is important to understand the otter's ecology. Otters have a very high metabolic rate, and they need to eat often. Here for we need to know of what species their diet consists, as this might influence their behaviour and distribution. When we know …

Eurasian lynx in Norway are monitored with methods based on unreplicated counts of family groups (adult females with dependent kittens) since 1996. Two methods are used to monitor lynx population size. However, variable and often poor snow cover caused that an alternative method needed to be found. Camera …