A focus of information on production systems calls for more knowledge on the naturalness in behaviour of semi wild living cattle. Broadening this knowledge database is beneficial to the increased use of cattle in conservation as well as more traditional farming methods. This study therefore investigated …

Varanus species are a popular species in the exotic pet trade. Little is known about the distribution of these species and trade could have a negative impact on the status of wild populations. Indonesia and Papua New Guinea have a large diversity of Varanus species and are both known as major wildlife …

The harbour porpoise Phocoena phocoena is one of the smallest odontocetes, rarely reaching a length of 1.8 meters. Harbour porpoises are the most numerous cetacean in the North Sea. Over the past years, the harbour porpoise population has shifted from the northern part towards the southern part of the …

Onderzocht is hoeveel en waar er aanrijdingen met reeën in de provincie Utrecht plaatsvinden. Daarnaast worden er adviezen gegeven om het aantal aanrijdingen te verminderen. Het effect van afschot op aanrijdingen met reeën blijkt onbekend en het advies is om een pilot (beheerexperiment) op te zetten …

Conventional dairy husbandry systems acknowledge animal welfare guided by Brambel’s five freedoms. The concept of natural, or normal behaviour would in contrast to Brambel’s convention, be based on stability through chance and offers a less anthropocentric and more naturalistic approach. The present …

Due to improved zoo practices, longevity in zoo animals has increased. In comparison to the wild, many species become much older in captivity. Senescence follows a different path in each species and is therefore hard to generalize towards other species. Insights into the process of senescence in animals …

To be able to keep sustainable populations which are independent from wild populations zoos need to cooperate in collection planning. To aid this cooperation the Taxon Advisory Groups (TAGS) of the European Association of Zoos and Aquaria (EAZA) design Regional Collection Plans (RCPs). These RCPs contain …

In Europa is sprake van een algemene en alarmerende achteruitgang van bloembezoekende insecten zoals wilde bijen, zweefvliegen en vlinders. Deze insecten spelen een belangrijke rol bij de bestuiving van bloeiende planten. Deze bestuiving is zowel belangrijk voor de agrarische sector als de natuurbeheer. …