Echo died of natural causes at the age of 65 in May of 2009, leaving the family she had cared for and guided for so long to face the worst drought ever recorded in Amboseli on their own.

(Airs Sunday, August 30) It may be one of nature's oddest couples: a tiny wasp and a giant fig tree. The wasp and the fig depend on each other for survival.

(Airs Sunday, July 5) Africa's lion population appears to be declining at an alarming rate.

In hopes of protecting both lions and farmers, local communities have embarked on a model experiment in wildlife-friendly land management called the Laikipia Predator Project.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.

One of the world's best known animal researchers surveys the results of more than three decades of painstaking study in Jane Goodall's Wild Chimpanzees.