Whales entering rivers intentionally, possibly to rest or to get rid of marine parasites in fresh water, may have been a more common phenomenon in the past. This humpback whale calf and its mother entered the Sacramento River, California in 2007.
Category. Knowledge and Practices concerning Nature and the UniverseVolume. 10Year. 2019
Title. Ghost of the Forest: the Tangible and Intangible in Natural and Cultural Heritage

Ghost of the Forest: the Tangible and Intangible in Natural and Cultural Heritage

Source: https://upload.wikimedia.org/wikipedia/commons/a/a0/CalfDawnBreachWindsurfers.jpg?uselang=de

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