Thousands of wildebeest wind through the Maasai Mara National Reserve in Kenya.
Thousands of wildebeest wind through the Maasai Mara National Reserve in Kenya.
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A bull elephant bathes and drinks water on the northern shores of Lake Edward in the Virunga National Park in the Democratic Republic of Congo.
A bull elephant bathes and drinks water on the northern shores of Lake Edward in the Virunga National Park in the Democratic Republic of Congo.
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Young male lions relax on a sealed road at the Pafuri game reserve in South African's Kruger National Park.
Young male lions relax on a sealed road at the Pafuri game reserve in South African's Kruger National Park.
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Elephants walk with elephant calves in the Serengeti National Park, which is Tanzania's oldest national park.
Elephants walk with elephant calves in the Serengeti National Park, which is Tanzania's oldest national park.
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Two mountain gorillas lay on a bed of brush in a clearing on the slopes of Mount Mikeno in the Virunga National Park.
Two mountain gorillas lay on a bed of brush in a clearing on the slopes of Mount Mikeno in the Virunga National Park.
ROBERTO SCHMIDT/AFP/Getty Images
The fishing village of Kavanyongi is part of Virunga National Park. The park has suffered as a result of armed conflict and poachers but is re-establishing itself through international donations.
The fishing village of Kavanyongi is part of Virunga National Park. The park has suffered as a result of armed conflict and poachers but is re-establishing itself through international donations.
Brent Stirton/Getty Images Europe/Getty Images
A park ranger at Virunga National Park smiles at his 9-month-old daughter.
A park ranger at Virunga National Park smiles at his 9-month-old daughter.
Roberto Schmidt/AFP/Getty Images
The Bageni family lives in the gorilla sector of Virunga National Park.
The Bageni family lives in the gorilla sector of Virunga National Park.
Brent Stirton/Getty Images
An elephant walks at the Pafuri game reserve in Kruger National Park, one of the largest game reserves in South Africa.
An elephant walks at the Pafuri game reserve in Kruger National Park, one of the largest game reserves in South Africa.
Cameron Spencer/Getty Images Europe/Getty Images
Kruger National Park spans 7,300 square miles and is home to elephants, white rhinos, lions, leopards, crocodiles and buffalo.
Kruger National Park spans 7,300 square miles and is home to elephants, white rhinos, lions, leopards, crocodiles and buffalo.
Ben Adkison/CNN