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It has been a record year for cetacean sightings in the waters around Britain. A rise in strandings Cetacean numbers are also monitored by the Museum, and researchers have noticed the number of strandings is rising. The Risso's dolphin that was found on 12 May Image by Gorleston Coastguard. Why are more cetaceans being seen?
Cetaceans Strandings Investigation Programme Find out what to do if you see a stranded cetacean. Read the cetacean strandings blog. British wildlife Find out about the plants and animals that make the UK home. Get closer to nature. News home Science news. Dive deeper Find out more about life in the ocean, and explore the Museum's pioneering marine science. Discover oceans. Related posts. A dolphin that washed up on a beach in Norfolk is one of the latest cetaceans to strand.
What happens to stranded whales? And how can they be useful for research? Trace the year journey of the blue whale from the sea to Museum.
Don't miss a thing. Adopt Please select an elephant a lion a panda a turtle an african rhino an orangutan a dolphin an amur leopard a gorilla a snow leopard a polar bear a penguin a jaguar. Choose monthly donation Prefer a one-off donation? Choose one-off donation Prefer a monthly donation? Top 10 facts about whales. Become a member. More animals facts. Whales are divided into two main groups The baleen whales and the toothed whales.
Some whales bubble net feed This involves whales cooperatively blowing bubbles that encircle their prey. There used to be thousands of blue whales It's estimated that there were over , Antarctic blue whales before their exploitation - today there are less than 3, It's difficult to say conclusively what's driven the rise, but it's associated with multiple causes, including rises in some dolphin and whale populations, they say.
In some respects the data paints a bleak picture, but there are still positives to be drawn, he added. More than 20 cetacean whale, dolphin and porpoise species were recorded over seven years - roughly a quarter of all cetacean species known in the world.
One, the dwarf sperm whale, had never before been seen in the UK. Since , scientists have been investigating why whales, dolphins and porpoises wash up around the UK coastline. This gives an insight into the health of marine wildlife in British waters, the changing patterns of different species, and threats from human impacts, such as chemical pollution, marine noise and accidental fishing.
The underlying causes of whales becoming stranded on beaches are not always clear, including any part played by humans. Over seven years, post mortems were carried out on about 1, specimens, allowing the cause of death to be determined. Accidental entanglement in fishing gear accounted for about one in four deaths of common dolphins, and one in 10 for the harbour porpoise.
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