Nile crocodiles (Crocodylus niloticus) have no natural enemies. These efficient predators grow to a length of six meters and eat everything from fish to antelopes in wetlands across sub-Saharan Africa as they have for millennia. But recent findings in South Africa by Earthwatch Institute-supported researchers suggest that these ancient reptiles may have met their match. Nile crocodiles could face local extinction due to a perennial shrub.
The above story is based on materials provided by Earthwatch Institute. Note: Materials may be edited for content and length.
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Earthwatch Institute. "Giant Carnivores Threatened By Alien Weed." ScienceDaily. ScienceDaily, 28 June 2001. <www.sciencedaily.com/releases/2001/06/010620074058.htm>.
Earthwatch Institute. (2001, June 28). Giant Carnivores Threatened By Alien Weed. ScienceDaily. Retrieved March 9, 2014 from www.sciencedaily.com/releases/2001/06/010620074058.htm
Earthwatch Institute. "Giant Carnivores Threatened By Alien Weed." ScienceDaily. www.sciencedaily.com/releases/2001/06/010620074058.htm (accessed March 9, 2014).