It turns out that the majority of threatened species are “invisible” when using modern methods to predict species distributions under climate change. This is especially true when it comes to African amphibians, many of which are under the threat of extinction.
Source: www.scienceworldreport.com
GR: Simple presence/absence trends are lacking for most species. In Arizona, US, where I live, we lack status and trend information for even common, highly visible, groups such as butterflies (http://wp.me/p26kDO-2ZR).