The loss of these birds will lead to the unraveling or to the complete collapse of entire ecosystems. An adult male yellow-bellied sunbird-asity (Neodrepanis hypoxantha) in Ranomafana National Park, ...

Yes and no: It depends on how you classify animals. There are two main classification systems – the Linnaean system which groups organisms by characteristics and the phylogenetics system, which ...

Climate change is not only driving the extinction of many bird species, but it may also mean that the birds that survive will have less diverse physical features. In the last 50 years, the US and ...