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New Quay: Bottlenose dolphins spotted killing dolphin calf New Quay: Bottlenose dolphins spotted killing dolphin calf
(3 months later)
It is very common for bottlenose dolphins to attack porpoises but not a common dolphin juvenileIt is very common for bottlenose dolphins to attack porpoises but not a common dolphin juvenile
A common dolphin juvenile has been killed by four bottlenose dolphins in an attack that could become more common as the oceans warm, a cetacean expert has warned.A common dolphin juvenile has been killed by four bottlenose dolphins in an attack that could become more common as the oceans warm, a cetacean expert has warned.
People on a dolphin spotting trip from New Quay, Ceredigion, were left "hysterical" by the incident on Thursday at 18:10 BST in Cardigan Bay, where the juvenile was thrown out of the water. One person on a dolphin spotting trip from New Quay, Ceredigion, was left "hysterical" by the incident on Thursday at 18:10 BST in Cardigan Bay, where the juvenile was thrown out of the water.
Climate change means common dolphin numbers are increasing in the area, where resident bottlenose dolphins will hunt them as a form of "play", said Matthew Westfield from the UK Cetacean Strandings Investigation Programme (CSIP).Climate change means common dolphin numbers are increasing in the area, where resident bottlenose dolphins will hunt them as a form of "play", said Matthew Westfield from the UK Cetacean Strandings Investigation Programme (CSIP).
It recovered the juvenile - estimated to be two years old - to perform an autopsy.It recovered the juvenile - estimated to be two years old - to perform an autopsy.
"Across the UK we are seeing more attacks where a bottlenose dolphin attacks a common dolphin juvenile," he said."Across the UK we are seeing more attacks where a bottlenose dolphin attacks a common dolphin juvenile," he said.
A boat owned by Dolphin Spotting Boat Trips and carrying 12 passengers spotted what they initially thought was a porpicide - the name given to the deliberate killing of a harbour porpoise by bottlenose dolphinsA boat owned by Dolphin Spotting Boat Trips and carrying 12 passengers spotted what they initially thought was a porpicide - the name given to the deliberate killing of a harbour porpoise by bottlenose dolphins
The group included Ghost, a favourite with dolphin spotters.The group included Ghost, a favourite with dolphin spotters.
The incident has been described as an incredibly rare encounterThe incident has been described as an incredibly rare encounter
"Ghost and another dolphin she was with all of a sudden started speeding towards this larger group of dolphins," said passenger Holly Williams, 35."Ghost and another dolphin she was with all of a sudden started speeding towards this larger group of dolphins," said passenger Holly Williams, 35.
"They started jumping out the water and we thought they were just playing.""They started jumping out the water and we thought they were just playing."
They saw something being flung out of the water by the dolphins and initially thought it was a salmon.They saw something being flung out of the water by the dolphins and initially thought it was a salmon.
"My daughter was hysterical," said Ms Williams."My daughter was hysterical," said Ms Williams.
"She loves animals and is very sensitive.""She loves animals and is very sensitive."
The company's photographer Sarah Michelle Wyre, 30, said: "It was an incredibly rare encounter where a pod of bottlenose dolphin attacked and killed a common dolphin calf. The company's photographer Sarah Michelle Wyer, 30, said: "It was an incredibly rare encounter where a pod of bottlenose dolphin attacked and killed a common dolphin calf.
"I've never seen that behaviour before. It's very common for bottlenose dolphins to attack porpoise bit not a common dolphin calf.""I've never seen that behaviour before. It's very common for bottlenose dolphins to attack porpoise bit not a common dolphin calf."
Dylan Coundley-Hughes, 22, is a researcher for the SeaWatch Foundation caught the attack on camera.Dylan Coundley-Hughes, 22, is a researcher for the SeaWatch Foundation caught the attack on camera.
"These kind of attacks are so rare to see in person. We know they happen in the wild but it's rare they're ever seen," he said."These kind of attacks are so rare to see in person. We know they happen in the wild but it's rare they're ever seen," he said.
Mr Westfield said the increasing number of common dolphins in the area mean more interactions with the resident population of about 250 bottle nose dolphins.Mr Westfield said the increasing number of common dolphins in the area mean more interactions with the resident population of about 250 bottle nose dolphins.
"Its not that clear why they do it," he said."Its not that clear why they do it," he said.
The food the two types of dolphins eat only "slightly" overlap, he explained.The food the two types of dolphins eat only "slightly" overlap, he explained.
Matthew Whitefield described the bottlenose dolphin as an apex predatorMatthew Whitefield described the bottlenose dolphin as an apex predator
"The bottlenose is probably the most intelligent cetacean we see on the Welsh coast."The bottlenose is probably the most intelligent cetacean we see on the Welsh coast.
"They are an apex predator with a huge intelligence and a lot of free time because they are so good at hunting.""They are an apex predator with a huge intelligence and a lot of free time because they are so good at hunting."
He said the attacks are probably down to "something as simple as play".He said the attacks are probably down to "something as simple as play".
They are also brutal he said, adding: "The calf was most likely with its family pod when the bottlenose dolphins separated it off."They are also brutal he said, adding: "The calf was most likely with its family pod when the bottlenose dolphins separated it off."