Mzima 's isolation makes both species are dependent on its waters : other sources are too distant for them to reach by overland travel .
Mzima is one of Tsavo 's most popular wildlife attractions owing to its resident populations of hippos and Nile crocodiles .
one 's isolation makes both species are dependent on Mzima 's waters : other sources are too distant for them to reach by overland travel .
Mzima is one of Tsavo 's most popular wildlife attractions owing to its resident populations of hippos and Nile crocodiles .