Skip to main content
Back to Show
Evolution Earth

A Growing Number of Wildebeest In the Serengeti

After vets eradicated rinderpest, a disease which impacts both cattle and the wildebeest of the Serengeti. Wildebeest numbers grew and grew from 300,00 to over a million. At the time experts were worried they would overgraze destroying the ecosystem but instead the opposite happened, a key relationship was restored and the whole environment started to flourish.

Support Provided By
Grasslands
Unlock with PBS Passport
55:05
Forgotten and overlooked, grasslands could hold the key to our planet’s survival.
Ice
Unlock with PBS Passport
55:25
Ice
At the planet’s frozen extremes, animals can reveal the changes taking place.
Heat
Unlock with PBS Passport
55:31
In the hottest places, species are going to extraordinary lengths to survive.
Islands
Unlock with PBS Passport
55:26
Remarkable island wildlife reveals insights into our rapidly changing planet.
Earth
Unlock with PBS Passport
55:26
Animals have a surprising story to tell about our rapidly changing planet.
Active loading indicator