We review the state of African ungulate taxonomy over the last 120 years, with an emphasis
on the introduction of the polytypic species concept and the discipline's general neglect …

Small populations are often exposed to high inbreeding and mutational load that can
increase the risk of extinction. The Sumatran rhinoceros was widespread in Southeast Asia …

Lazarus species, species that were thought to be extinct until found again, are of
considerable public interest and attract major media coverage as they offer a glimmer of …

The black rhinoceros is again on the verge of extinction due to unsustainable poaching in its
native range. Despite a wide historic distribution, the black rhinoceros was traditionally …

The Critically Endangered Sumatran rhinoceros Dicerorhinus sumatrensis formerly ranged
across South-east Asia. Hunting and habitat loss have made it one of the rarest large …

Baselines rooted in historical records or concepts of previous conditions are necessarily
used to identify and generate recovery goals for endangered species. However, strict …

The sun bear Helarctos malayanus is one of the most endangered ursids, and to date
classification of sun bear populations has been based almost exclusively on geographic …

Mammalian taxonomy based on the diagnosability version of the Phylogenetic Species
Concept-considered as an operational manifestation of the Evolutionary Species Concept …

Abstract The Sumatran rhinoceros (Dicerorhinus sumatrensis) is the smallest and one of the
most endangered rhinoceros species, with less than 100 individuals estimated to live in the …

The internationally illegal wildlife trade directly threatens the survival of commercially high
value (CHV) species. Consumer demand for wildlife products is extensive and deeply rooted …