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Worst June Weather on Record Brings Down Whale and Dolphin Sighting Numbers

7th July 2012
Worst June Weather on Record Brings Down Whale and Dolphin Sighting Numbers

#MARINE WILDLIFE - Ten different cetacean species were accounted for among 143 sightings validated by the Irish Whale and Dolphin Group (IWDG) for the month of June.

"It’s tempting to overinterpret sightings from a single month’s snapshot," said IWDG sightings co-ordinator Pádraig Whooley. "But we are confident that these 143 sightings... represent a reasonable sample size."

The number is less than half of the 315 records for the same month in 2009, which Whooley says "illustrates how big an influence the weather is on our ability to detect cetaceans".

Basking shark sightings are particularly down after the worst June weather on record. "There is strong evidence that the 2012 shark season is as good as over," said Whooley, noting that this year's sightings peaked as early as April.

There was a flurry of minke and humpback whale sightings off Dublin and the Kish Bank in mid-June - possibly related to the rare sighting of a minke whale breaching in the Irish Sea.

However, the vast majority of activity for these large marine mammals is off the south and southwest, with Slea Head and Dingle Bay enjoying the highest diversity.

Orcas, minke whales, humpbacks and a "blubber biomass" of six fin whales were all spotted off the Kerry coast in June, not to mention the month's largest concentration of dolphins - some 400 common dolphins spotted off Clogher Head on 10 June.

The Irish Whale and Dolphin Group has much more on the June findings HERE.

Published in Marine Wildlife
MacDara Conroy

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MacDara Conroy

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MacDara Conroy is a contributor covering all things on the water, from boating and wildlife to science and business

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Marine Wildlife Around Ireland One of the greatest memories of any day spent boating around the Irish coast is an encounter with marine wildlife.  It's a thrill for young and old to witness seabirds, seals, dolphins and whales right there in their own habitat. As boaters fortunate enough to have experienced it will testify even spotting a distant dorsal fin can be the highlight of any day afloat.  Was that a porpoise? Was it a whale? No matter how brief the glimpse it's a privilege to share the seas with Irish marine wildlife.

Thanks to the location of our beautiful little island, perched in the North Atlantic Ocean there appears to be no shortage of marine life to observe.

From whales to dolphins, seals, sharks and other ocean animals this page documents the most interesting accounts of marine wildlife around our shores. We're keen to receive your observations, your photos, links and youtube clips.

Boaters have a unique perspective and all those who go afloat, from inshore kayaking to offshore yacht racing that what they encounter can be of real value to specialist organisations such as the Irish Whale and Dolphin Group (IWDG) who compile a list of sightings and strandings. The IWDG knowledge base has increased over the past 21 years thanks in part at least to the observations of sailors, anglers, kayakers and boaters.

Thanks to the IWDG work we now know we share the seas with dozens of species who also call Ireland home. Here's the current list: Atlantic white-sided dolphin, beluga whale, blue whale, bottlenose dolphin, common dolphin, Cuvier's beaked whale, false killer whale, fin whale, Gervais' beaked whale, harbour porpoise, humpback whale, killer whale, minke whale, northern bottlenose whale, northern right whale, pilot whale, pygmy sperm whale, Risso's dolphin, sei whale, Sowerby's beaked whale, sperm whale, striped dolphin, True's beaked whale and white-beaked dolphin.

But as impressive as the species list is the IWDG believe there are still gaps in our knowledge. Next time you are out on the ocean waves keep a sharp look out!