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A Harbour Seal photographed at Dun Laoghaire Marina on Dublin Bay, Ireland. Also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinnipeds, they are found in coastal waters of the northern Atlantic and Pacific oceans, Baltic and North seas. Photo: AfloatA photograph of a Harbour Seal taken at Dun Laoghaire Marina on Dublin Bay, Ireland. Also known as the common seal, this species can be found along temperate and Arctic marine coastlines throughout the Northern Hemisphere. They are the most widely distributed species of pinnipeds and can be found in the coastal waters of the northern Atlantic and Pacific oceans, as well as the Baltic and North Seas. Photo: Afloat

Displaying items by tag: bottlenose dolphins

A rare sight was caught on camera this past week with the birth of a bottlenose dolphin in Glandore Harbour.

Following reports on Monday (15 April) to the Irish Whale and Dolphin Group (IWDG) of a large gathering near Mizen Head of some 25 bottlenoses — a dolphin species not frequently seen off West Cork — a second similar-sized group was spotted two days later some 60km to the east at Glandore.

Local IWDG member Heather Mahmood flew her drone over the Glandore pod to capture some footage and images, and upon reviewing the results with her daughter Ruá on Thursday evening, the pair were surprised to discover what appeared to be a dolphin giving birth.

After sending the footage and images to the IWDG, sightings officer Pádraig Whooley came to the same conclusion.

“[It appeared] that it was indeed a female either giving birth or in the process of, as the appendage [seen protruding from the dolphin] looked very similar to a tiny, floppy tail fluke,” Whooley said.

“It is known that to maximise the chance of a successful birth, which can be a long process for all mammal species, cetacean calves are born tail-first. This is an adaptation to living in an aquatic environment, as it gives the new born the maximum breathing time inside the birth canal — that first breath being the critical one.”

Whooley referred to the IWDG’s resident experts on bottlenose dolphins, Simon Berrow and Mags Daly of the Shannon Dolphin Project, who were just as astounded.

“Neither of them have ever witnessed the birth of a bottlenose dolphin, despite being involved in monitoring the resident Shannon population now for over 30 years,” Whooley said.

“In fairness, how could they have, as this behaviour could really only be detected from an aerial perspective, which we now have at our disposal.”

The IWDG shared their findings with Cromarty-based Dr Barbara J Chaney, who studies the Scottish bottlenose population that overlaps with our own, “and her thoughts mirrored ours, that this footage was unique, both in a British and Irish context, as this event has never before been seen, let alone recorded,” Whooley added.

See the remarkable video on the IWDG website HERE.

Published in Marine Wildlife

Pregnancies in bottlenose dolphins can now be determined from images captured by drone, according to new research.

As the Irish Examiner reports, marine scientists from University of Aberdeen and Duke University have flown drones over the Moray Firth Special Area of Conservation in Scotland to collect overhead images of dolphin pods.

From these, the researchers believe that by measuring the body width of this protected marine wildlife species, they can determine which dolphins may be with calf.

“Previously, we only knew if female bottlenose dolphins were pregnant if they were later seen with a calf,” said Dr Barbara Cheney of the University of Aberdeen.

“As a result, we only knew about successful pregnancies, and didn’t know how many pregnancies failed or how many calves died before we saw them.”

The Irish Examiner has much more on the story HERE.

Published in Marine Science

Dusty the dolphin last weekend treated two SCUBA diving sisters to an encounter they will never forget, as RTÉ News reports.

Jessica and Jennifer Smith were diving with their father Finbar as part of a group with the Burren Sub Aqua Club last Saturday (1 May) when they were approached by the inquisitive bottlenose, who has been a fixture of the West Clare coast for some 20 years.

Previous encounters have been mixed — in particular an incident reported in Doolin some years ago in which a woman was hospitalised.

But the teens were delighted to meet a much calmer Dusty, who may have been surprised to find humans in the water after months of restrictions prevented group dives.

RTÉ News has more on the story HERE.

Published in Marine Wildlife

Miracle dolphin Spirtle has returned to her home waters in the north-east of Scotland after her summer spent off Ireland’s south-west coast, as BBC News reports.

The bottlenose dolphin with a distinctive sunburn scar was spotted with her family group in the Moray Firth this past Tuesday (17 December) — four months and hundreds of miles away from their last sightings in the waters off Co Kerry.

Spirtle initially surprised marine wildlife experts when she survived a live stranding ordeal in 2016 in which she suffered severe sunburn — and again this past summer when she and a number of her group were tracked heading south from Scotland through the Irish Sea.

A spokesperson for Whale and Dolphin Conservation said 2019 “has been a very unusual year for this dolphin population’s movements around the UK and overseas to the Dutch coast — it might not be quite finished yet”.

In other news, the Irish Whale and Dolphin Group (IWDG) says competition for food “seems to be growing more intense” for fin whales in the waters off Co Waterford, who made a more fleeting visit than usual for this time of year.

Published in Marine Wildlife

Marine wildlife miracle Spirtle appears to have taken up residence off the Kerry coast if the many sightings over recent weeks are anything to go by.

Last month the young dolphin was spotted in the area some weeks after she was seen off the East Coast, headed south from her usual haunt off the west of Scotland.

Indeed, it was there where she live stranded in 2016 and suffered severe sunburn, which left her with her distinctive markings.

Despite fears that she wouldn’t survive her ordeal, Spirtle returned to fine health and is now part of a small pod regularly feeding off Feit in Tralee Bay, and which includes a juvenile, according to the Irish Whale and Dolphin Group (IWDG).

Researchers are now trying to establish if Spirtle became part of this group after her long travels, or whether they swam with her from Scotland.

Initial evidence suggests at least two of her pod are Scottish regulars, including Spirtle’s own mother Porridge.

“We have documented movements of individual bottlenose dolphins between Ireland and Scotland before, but we do not know how often this occurs or whether it is typical behaviour,” the IWDG said.

“We hope to continue to monitor the presence of this famous ‘Scottish’ dolphin and see if she stays or travels further,” the group added.

Published in Marine Wildlife

Nearly two months after she was spotted off the East Coast, Spirtle the dolphin has been filmed frolicking off the shores of Kerry, as the Irish Mirror reports.

The young dolphin is distinctive for the heavy scarring and discolouration on her right flank — caused by severe sunburn wen she live stranded on a Scottish beach in 2016.

Having bounced back from that brush with death, her wounds gradually healing over the years, Spirtle was recently sighted at the lead of a group of bottlenose dolphins that was making its way south along the Irish Sea.

Marine wildlife experts are now trying to establish if this pod has now made it to the Kingdom, as Spirtle was caught on camera by Dr Joanne O’Brien in recent days with around 20 other bottlenose dolphins in Tralee and Brandon bays.

There is no word as yet on whether Spirtle and her colleagues paid a visit to Dingle’s longtime resident dolphin, Fungie.

Published in Marine Wildlife

Sightings of an unusual looking bottlenose dolphin off the East Coast in recent weeks have turned out to be a Scottish scrapper named Spirtle.

Images of the dolphin seen off South Dublin and North Wicklow earlier this month showed what appeared to be heavy scarring and discolouration on its right flank.

That was enough for Dr Joanne O’Brien of the Irish Whale and Dolphin Group (IWDG) to identify the animal as the daughter of a dolphin well known in the Moray Firth.

Spirtle’s story is one of survival as almost three years ago to this day, she was found live stranded with significant injuries and suffering severe dehydration.

Since then she’s bounced right back from the brink of death, and it appears she’s now even at the lead of a group of bottlenose dolphins that’s made its way south along the Irish Sea beyond Dublin Bay.

A rare sighting of a different kind was made in West Cork this past week, where a charter boat operator witnessed what he believed was an attack on a pod of common dolphins by a killer whale.

David Edwards was 15 miles south of Galley Head last Tuesday (21 May) when he saw the orca chase after its fellow cetaceans for its lunch — and his images of the event have been confirmed by IWDG sightings officer Padraig Whooley.

Echo Live has more on the story HERE.

Published in Marine Wildlife

#MarineScience - The Irish Whale and Dolphin Group’s Shannon Dolphin Project is seeking research assistants from May-September 2018 based in Kilrush, Co Clare.

Research assistants will be required to conduct monitoring surveys from dolphin-watching tour boats, spend a considerable amount of time on Shannon Estuary bottlenose dolphin photo identification and related office tasks, and assist in the management of the dolphin centre on a daily basis.

Photo ID training will be provided on the boats and in the office. There will also be the opportunity to help with research conducted on board the IWDG’s research vessels Muc Mhara and Celtic Mist, and to assist the IWDG with cetacean strandings should the opportunity arise.

These positions provide an excellent opportunity to develop skills in marine research and education and to assist with one of the longest-running bottlenose dolphin population monitoring programs in Europe.

There is no monetary compensation for these positions and a contribution of €400 per month towards accommodation and utilities is required.

Volunteers will be expected to work and live as part of a team with shared cooking and cleaning duties. Accommodation will be provided in a shared house within walking distance of the dolphin centre and town of Kilrush. Research assistants are responsible for their own food costs and travel expenses to and from Kilrush.

The closing date for applications is Friday 30 March. However, early application is recommended. Shortlisted candidates will be required to undertake a Skype interview in April. Successful applicants will be notified by mid-April.

Full details on the positions can be found on the IWDG website HERE.

Published in Marine Science

#MarineWildlife - Conservationists want Tralee Bay and Brandon Bay in North Kerry to be declared a protected marine wildlife zone for bottlenose dolphins.

The call comes in the wake of new research by the Irish Whale Dolphin Group (IWDG) in tandem with the Shannon Dolphin and Wildlife Foundation, which has identified the vast majority of bottlenose dolphins in North Kerry as members of the Shannon Estuary group that has enjoyed Marine Protected Area status since 2000.

“We knew dolphins had been regularly observed in Brandon Bay,” said the IWDG’s Dr Simon Berrow of the new research, “but did not know which population they belonged to and had no idea they were as abundant and frequent as this study has shown.”

Stephanie Levesque, senior author of the study, added that the research identified “very high numbers of Shannon dolphins present during the summer months in Brandon and Tralee Bays.

“If further surveys were to be carried out at various times of the year, including collecting behavioural data, it could help us to better understand how they are using these habitats.”

Elsewhere on the West Coast, Galway Bay FM reports on efforts in Connemara to form local groups in Oughterard and Letterfrack which are designated for the protection of pearl mussels.

Published in Marine Wildlife

#MarineWildlife - The 21st year of dolphin research in the Shannon Estuary is off to an amazing start after the first ever dolphin recorded in the estuary was spotted on the Kerry coast.

As the Shannon Dolphin and Wildlife Foundation (SDWF) reports, the dolphin known as 'No 1' was sighted in Brandon Bay on Saturday 25 May swimming in a group of three.

No 1 is happily a familiar sight in the region, having been recorded most years since the project began in 1993.

"It has long been known that Shannon dolphins regularly use Tralee and Brandon Bays but how important the area is in not clear," says the SDWF on its blog. "If we are to protect the Shannon dolphins we need to ensure we identify all their important habitats and extend protection to these areas if necessary."

Meanwhile, its been confirmed that the trio of bottlenose dolphins who took up residence near Bunratty Castle in the spring have been observed in the mainstream of the Shannon Estuary.

The three were spotted on the first monitoring trip of the summer from Kilrush last week by SDWF researchers of Moneypoint.

"This demonstrates again the value of long term monitoring and the power of a photo ID catalogue to monitor the Shannon dolphins," says the SDWF blog.

In other cetacean news, an in-depth discussion of the Shannon's dolphins and the Irish Whale and Dolphin Group's (IWDG) research of bottlenose dolphins around the Irish coastline was broadcast on Derek Mooney's afternoon show on RTÉ Radio 1 recently.

A podcast of the 30-minute segment of Mooney Goes Wild from Friday 31 May is available to download HERE.

Published in Marine Wildlife
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For all you need on the Marine Environment - covering the latest news and updates on marine science and wildlife, weather and climate, power from the sea and Ireland's coastal regions and communities - the place to be is Afloat.ie.

Coastal Notes

The Coastal Notes category covers a broad range of stories, events and developments that have an impact on Ireland's coastal regions and communities, whose lives and livelihoods are directly linked with the sea and Ireland's coastal waters.

Topics covered in Coastal Notes can be as varied as the rare finding of sea-life creatures, an historic shipwreck with secrets to tell, or even a trawler's net caught hauling much more than just fish.

Other angles focusing the attention of Coastal Notes are Ireland's maritime museums, which are of national importance to maintaining access and knowledge of our nautical heritage, and those who harvest the sea using small boats based in harbours where infrastructure and safety pose an issue, plying their trade along the rugged wild western seaboard.

Coastal Notes tells the stories that are arguably as varied as the environment they come from, and which shape people's interaction with the natural world and our relationship with the sea.

Marine Wildlife

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. And 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 our location in the North Atlantic, there appears to be no shortage of marine life to observe. From whales to dolphins, seals, sharks and other ocean animals, the Marine Wildlife category documents the most interesting accounts around our shores. And we're keen to receive your observations, your photos, links and video clips, too!

Also valuable is the unique perspective of all those who go afloat, from coastal sailing to sea angling to inshore kayaking to offshore yacht racing, as what they encounter can be of great importance to organisations such as the Irish Whale and Dolphin Group (IWDG). Thanks to their work we now know we share the seas with dozens of species who also call Ireland home. But as impressive as the list is, the experts believe there are still gaps in our knowledge. Next time you are out on the ocean waves, keep a sharp look out!

Weather

As an island in the North Atlantic, Ireland's fate is decided by Weather more so than many other European countries. When storm-force winds race across the Irish Sea, ferry and shipping services are cut off, disrupting our economy. When swollen waves crash on our shores, communities are flooded and fishermen brace for impact - both to their vessels and to their livelihoods.

Keeping abreast of the weather, therefore, is as important to leisure cruisers and fishing crews alike - for whom a small craft warning can mean the difference between life and death - as it is to the communities lining the coast, where timely weather alerts can help protect homes and lives.

Weather affects us all, and Afloat.ie will keep you informed on the hows and the whys.

Marine Science

Perhaps it's the work of the Irish research vessels RV Celtic Explorer and RV Celtic Voyager out in the Atlantic Ocean that best highlights the essential nature of Marine Science for the future growth of Ireland's emerging 'blue economy'.

From marine research to development and sustainable management, Ireland is developing a strong and well-deserved reputation as an emerging centre of excellence. Whether it's Wavebob ocean energy technology to aquaculture to weather buoys and oil exploration, the Marine Science category documents the work of Irish marine scientists and researchers and how they have secured prominent roles in many European and international marine science bodies.

Power From The Sea

The message from the experts is clear: offshore wind and wave energy is the future. And as Ireland looks towards the potential of the renewable energy sector, generating Power From The Sea will become a greater priority in the State's 'blue growth' strategy.

Developments and activities in existing and planned projects in the pipeline from the wind and wave renewables sector, and those of the energy exploration industry, point to the future of energy requirements for the whole world, not just in Ireland. And that's not to mention the supplementary industries that sea power projects can support in coastal communities.

Irish ports are already in a good position to capitalise on investments in offshore renewable energy services. And Power From The Sea can even be good for marine wildlife if done properly.

Aside from the green sector, our coastal waters also hold a wealth of oil and gas resources that numerous prospectors are hoping to exploit, even if people in coastal and island areas are as yet unsure of the potential benefits or pitfalls for their communities.

Changing Ocean Climate

Our ocean and climate are inextricably linked - the ocean plays a crucial role in the global climate system in a number of ways. These include absorbing excess heat from the atmosphere and absorbing 30 per cent of the carbon dioxide added to the atmosphere by human activity. But our marine ecosystems are coming under increasing pressure due to climate change.

The Marine Institute, with its national and international partners, works to observe and understand how our ocean is changing and analyses, models and projects the impacts of our changing oceans. Advice and forecasting projections of our changing oceans and climate are essential to create effective policies and management decisions to safeguard our ocean.

Dr Paul Connolly, CEO of the Marine Institute, said, “Our ocean is fundamental to life on earth and affects so many facets of our everyday activities. One of the greatest challenges we face as a society is that of our changing climate. The strong international collaborations that the Marine Institute has built up over decades facilitates a shared focusing on our changing ocean climate and developing new and enhanced ways of monitoring it and tracking changes over time.

“Our knowledge and services help us to observe these patterns of change and identify the steps to safeguard our marine ecosystems for future generations.”

The Marine Institute’s annual ocean climate research survey, which has been running since 2004, facilitates long term monitoring of the deep water environment to the west of Ireland. This repeat survey, which takes place on board RV Celtic Explorer, enables scientists to establish baseline oceanic conditions in Irish waters that can be used as a benchmark for future changes.

Scientists collect data on temperature, salinity, water currents, oxygen and carbon dioxide in the Atlantic Ocean. This high quality oceanographic data contributes to the Atlantic Ocean Observing System. Physical oceanographic data from the survey is submitted to the International Council for the Exploration of the Seas (ICES) and, in addition, the survey contributes to national research such as the VOCAB ocean acidification and biogeochemistry project, the ‘Clean Atlantic’ project on marine litter and the A4 marine climate change project.

Dr Caroline Cusack, who co-ordinates scientific activities on board the RV Celtic Explorer for the annual survey, said, “The generation of long-term series to monitor ocean climate is vital to allow us understand the likely impact of future changes in ocean climate on ecosystems and other marine resources.”

Other activities during the survey in 2019 included the deployment of oceanographic gliders, two Argo floats (Ireland’s contribution to EuroArgo) and four surface drifters (Interreg Atlantic Area Clean Atlantic project). The new Argo floats have the capacity to measure dissolved ocean and biogeochemical parameters from the ocean surface down to a depth of 2,000 metres continuously for up to four years, providing important information as to the health of our oceans.

During the 2019 survey, the RV Celtic Explorer retrieved a string of oceanographic sensors from the deep ocean at an adjacent subsurface moored station and deployed a replacement M6 weather buoy, as part of the Irish Marine Data Buoy Observation Network (IMDBON).

Funded by the Department of Agriculture, Food and the Marine, the IMDBON is managed by the Marine Institute in collaboration with Met Éireann and is designed to improve weather forecasts and safety at sea around Ireland. The data buoys have instruments which collect weather and ocean data including wind speed and direction, pressure, air and sea surface temperature and wave statistics. This data provides vital information for weather forecasts, shipping bulletins, gale and swell warnings as well as data for general public information and research.

“It is only in the last 20 years, meteorologists and climatologists have really began to understood the pivotal role the ocean plays in determining our climate and weather,” said Evelyn Cusack, Head of Forecasting at Met Éireann. “The real-time information provided by the Irish data buoy network is particularly important for our mariners and rescue services. The M6 data buoy in the Atlantic provides vital information on swell waves generated by Atlantic storms. Even though the weather and winds may be calm around our shores, there could be some very high swells coming in from Atlantic storms.”