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About: Delta and Dawn     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Mammal, within Data Space : dbpedia.org associated with source document(s)

Type: mammal New Facet based on Instances of this Class

Delta and Dawn, also known as the Delta whales, are two humpback whales, a mother and her calf, who entered San Francisco Bay in early May 2007. They swam up the Sacramento River approximately 90 nautical miles (170 km) upstream from the Golden Gate, about 20 miles (32 km) further inland than Humphrey the Whale had gone two decades earlier. Under the Endangered Species Act, California state officials were required to rescue the animals. Their journey was thought to be the longest freshwater incursion by humpback whales.