PBS
The Rise and Fall of the Tallest Mammal to Walk the Earth
It arose from rhino ancestors that were a lot smaller, but Paraceratherium would take a different evolutionary path. Believe it or not, it actually became so big that it probably got close to what scientists think might be the actual...
Ancient Lights Media
Biological Classification - The Class Mammalia
Biological Classification Set: This clip shows how three different mammals are classified in terms of order - family, genus and species.
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Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Getty Images
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) with unusual all-black body colouration, Etosha National Park, Namibia
Getty Images
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
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Plains zebras (Equus quagga) grazing next to lake, Kenya
Plains zebras (Equus quagga) grazing next to lake, Kenya
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Plains zebras (Equus quagga) and Eland (Taurotragus sp.), Kenya
Plains zebras (Equus quagga) and Eland (Taurotragus sp.), Kenya
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White and black ponies running through snow, Dartmoor, Devon, England
White and black ponies running through snow, Dartmoor, Devon, England
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Burchell's Zebra (Equus quagga burchellii) drinking, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) drinking, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) herd drinking at waterhole, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) herd drinking at waterhole, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) drinking, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) drinking, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) herd running toward waterhole, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) herd running toward waterhole, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii) herd drinking at waterhole, Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii) herd drinking at waterhole, Etosha National Park, Namibia
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Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Getty Images
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Getty Images
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia
Burchell's Zebra (Equus quagga burchellii), Etosha National Park, Namibia