Invasive species plague Mara-Serengeti ecosystem, affecting populations

An oryx at Entumoto Safari Camp at Maasai Mara. Wildlife face a major risk as alien plants destroy grass and other vegetation in the ecosystem. [Photo: Wilberforce Okwiri, Standard]

Alien plants are threatening animals in one of the Kenya's major wildlife reserves, a study has shown. 

The study found that at least 245 alien species, introduced in the Mara-Serengeti ecosystem accidentally or intentionally as ornamental plants, were destroying the grass and native plants the animals feed on.