Marine mammals and sonar concern, but very little definitive information was known. In 1995 a comprehensive book on the relation between marine mammals and noise had been published, and it did not even mention strandings. In 2013, research showed beaked whales were highly sensitive to mid-frequency active sonar. Blue whales have also been shown to flee from the source of mid-frequency sonar, while naval use of mid- and high- frequency side-scan sonar was deemed 'the most probable cause' of a mass stranding of around 50 short-beaked common dolphin ("Delphinus delphis") on 9 June 2008 in Falmouth Bay, Cornwall, UK. There was anecdotal evidence from
Wildlife of Libya of now, very few animals live in the area, like the striped hyenas ("Hyaena hyaena"), fennec fox, gazelles, wildcats and golden wolves. The cheetah is now extinct from the area. Reptiles and rodents are common in the sands of the desert; adder and krait are among the snakes reported. Red shrimp are reported from the Ubari Lakes in the Fezan area. The faunal species recorded include "Canis anthus", "Vulpes vulpes", "Genetta genetta", "Felis libyca", "Hystrix cristata", "Delphinus delphis" and "Tursiops truncatus". Mammals and reptiles found in Libya which are on the Red List of IUCN, are: Grobben's gerbil, the Alexandrian