Cerling does not dispute that East African savannas became more expansive within the past 2 million years, or that human ancestors and relatives likely spent time in narrow "gallery forests" along ...

The human lineage originated about 2.5 million years ago, coinciding with the expansion of savannas — grasslands mixed with trees — across East Africa. As such, researchers have long ...

Scientists using chemical isotopes in ancient soil to measure prehistoric tree cover--in effect, shade--have found that grassy, tree-dotted savannas prevailed at most East African sites where ...

An East African savanna landscape of tree-dotted grassland is shown in this image from Samburu National Reserve in Kenya. A new University of Utah study concludes that savanna was the predominant ...

About 70,000 years ago in Africa, humans expanded into more extreme environments, a new study finds, setting the stage for our global migration.

Kenya and Tanzania, the East African countries most often chosen for safari, are justifiably famous for their wildlife. For many travelers, seeing the region’s dazzling animals — lions ...

Lions in East Africa are being killed off wholesale and ... said recent studies in a vast expanse of savanna -- encompassing parts of Kenya's Masai Mara National Reserve and Tanzania's Serengeti ...

The isotope method indicates that savannas existed in the area as much as up to 7.4 million years ago. "Many scientists think that before 2 million years ago, things were forested in East Africa ...

Throughout a three-year-long project along with his wife, ecologist Sylvia Krell-Westerwalbesloh, they looked deep into the ecology of dung beetles in West and East African savannas. Their latest ...

Defensive Plant-Ants Stabilize Megaherbivore-Driven Landscape Change in an African Savanna. Current Biology , 2010; DOI: 10.1016/j.cub.2010.08.015 Cite This Page : ...

In the East African savanna landscape, hippos and their poop play a critical role. By chomping on large amounts of silica-rich grass at night, then defecating into the Mara River during the day ...