There are currently about 2220 individual ring-tailed lemurs (Lemur catta) living in Madagascar, which has caused the species to be red-listed as critically endangered since 2018. To prevent the species from going extinct conservation strategies have been established. Because ring-tailed lemurs have …

Amphibians, and in particular anurans, are amongst the most endangered species on earth. Comparing the physiology between urban and rural anurans provides key information on the effect of urbanization on anurans. In turn, this information can help with preservation and conservation of the species as …

This is the report of a research that was conducted on the mammal distribution in CNCH. The research was conducted with the following research question: is there a difference in distribution of endangered and vulnerable mammal species between the slightly disturbed primary forests and the highly disturbed …

Howler monkeys (genus Alouatta) are new world monkeys native to Central and South America. Although the overall population of howler monkeys is declining due to habitat loss and the illegal trade, their status, as categorised by the IUCN Red List of Threatened Species (2017), ranges from Least Concern …

The waldrapp ibis (Geronticus eremita) is a colonial and monogamous bird species, which is classified as ‘Critically Endangered’ by the International Union for the Conservation of Nature. Due to the rapid decline of wild waldrapp ibises a European Endangered species Programme (EEP) has been set up as …

The critically endangered western chimpanzee (Pan troglodytes verus) once occurred in 12 West African countries. However, increasing anthropogenic factors have caused a dramatic decline in the species’ habitat and population. This dramatic decline raises fears that the species may become extinct in the …

The Bawean warty pig (Sus blouchi) is an endemic confined to the 192 km2 Bawean island in the Javasea. Due to a lack of quantitative ecological research, population assessments have so far been based solely on interviews with local inhabitants. Hunting and habitat degradation in Bawean’s protected areas …

The conservation status of the trumpeter species varies from least concern to critically endangered according to the IUCN since 2014. The conservation statuses are based on future deforestation in the Amazon basin and on the fact that the species is vulnerable to being hunted. It is concluded that the …

The western lowland gorilla (Gorilla gorilla gorilla) is one of the four subspecies of gorillas, but the only one which is breeding successfully in captivity. Details of the breeding results have been published in the International Studbook for the Western Lowland Gorilla. These results show a birth …