Risso’s dolfijn – Zeezoogdieren.org

This species has the lowest teeth count of all dolphins

10 december 2021 door frank

Dolphins typically have between 100 and 200 identical teeth. Their teeth are typically shaped like cones to grab, grip, and secure prey before swallowing it whole. One dolphin species has a remarkably low number of teeth: 14 teeth maximum! This species is the Risso’s dolphin. >> read more …

Risso’s dolphins have invented rapid spin-dive technique for hunting

1 december 20211 december 2021 door frank

A species of dolphin that hunts prey living 600 metres below the surface spins its body as it dives so it can drill down through the water rapidly.

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Risso’s dolphins killed in latest Taiji hunt

22 oktober 2021 door frank

Barely a couple of weeks since the massacre of almost 1,500 Atlantic white-sided dolphins in the Faroe Islands comes more horrifying news of dolphins being hunted, this time on the other side of the northern hemisphere. >> read more …

Remarkable Risso’s dolphins – how we’re studying them to protect them

13 oktober 2021 door frank

And just like that, another season of field research studying remarkable Risso’s dolphins came to a close. We’ve been visiting the Isle of Lewis for the past 12 years, trying to learn whatever we can about these individuals and their species so that we can better protect them. >> read more …

Whales dive deep for profitable prey

12 april 2021 door frank

‘Reconstruction of deep-sea squid communities reveals profitable hunting zones for extreme-diving whales.’ An international research team has investigated why dolphins and whales perform record-breaking dives to several kilometres deep. For the first time they were able to match hunting behaviour to the prey present in the hunting zones. The study of researchers from the Netherlands … Meer lezen

A dolphin researcher’s heartbreak as Risso’s dolphins targeted in brutal hunt

11 november 2020 door frank

Despite the pandemic, one of the most infamous and vile dolphin hunts has been underway since the beginning of September and it will continue until April. For these six months, around 25 men from the town of Taiji in Japan will take to the water every day that weather permits, to hunt dolphins. >> read … Meer lezen

Onderzoeksresultaten Risso’s dolfijn Great Yarmouth

18 mei 201818 mei 2018 door frank

Update of the results of the examination carried out by the CSIP at ZSLyesterday on the Risso’s dolphin found dead stranded at Great Yarmouth in Norfolk on 12th May. The 201cm juvenile male was in poor nutritional condition, with notable wasting of the dorsal muscle mass and hollowing behind the head.

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Risso’s dolphin washes up in Great Yarmouth

14 mei 2018 door frank

Great Yarmouth (UK), 11 may 2018 – A dolphin pod had been observed off Great Yarmouth on Friday, the coastguard said on social media. HM Coastguard Gorleston said it believed the creature, found on Great Yarmouth South Beach, was a Risso’s dolphin. Photo: HM Coastguard Gorleston

Almost 200 grey dolphins dead in Brazil caused by virus outbreak

12 januari 2018 door frank

Sao Paulo, 12 January 2018 – Brazilian scientists say a virus is the main cause for the death of close to 200 grey dolphins in little more than 40 days on the coast of Rio de Janeiro state. >> read more …

Rare Albino Dolphin Spotted Off California Coast

25 juni 2017 door frank

A 3-year-old albino dolphin was spotted swimming with its mom in California’s Monterey Bay last week, and the little one appears healthy, scientists say. >> Continue reading …