Posts in Science & Research
Over 10,000 Whale and Dolphin Sightings Recorded in Scotland's Seas

During 2024, 11,039 sightings of whales, dolphins, porpoises, and other marine life were reported to the Hebridean Whale and Dolphin Trust (HWDT) by members of the public, or citizen scientists.  Over 65,000 animals have been sighted in Scottish waters, from 17 different species. 

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Tides of Change: Monitoring Hebridean Seas

Whales and dolphins are long-lived and well-travelled, with some species crossing oceans on migration.  Understanding these magnificent creatures and safeguarding their futures relies on long-term monitoring, offering us a deeper glimpse into their lives and challenges.

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Record high for minke whale sightings but record low for basking sharks, research in Hebrides finds

2023 saw the highest sighting rates and numbers of minke whales yet recorded in the Hebrides, but the lowest known for basking sharks.

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The conservation impact of joining a HWDT Research Expedition

Our expedition surveys on board our research vessel, Silurian, have been monitoring Scotland’s seas for over two decades. This long-term monitoring is critical, driving protections to restore marine biodiversity and championing healthy seas for nature and communities.

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Harbour porpoises respond to chronic and repeated seal scarer noise from aquaculture

Data gathered during research expeditions on our research vessel, Silurian, has shown that harbour porpoise are negatively impacted by Acoustic Deterrent Devices, which are used to deter seals at aquaculture sites. Here, Dr Charlotte Findlay, details the research she led to better understand the impact on this species.

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Telling the tale of the west coast killer whale

Killer whales hold a special wonder for many people and in recent years, John Coe and Aquarius of the West Coast Community have become local celebrities. Morven, our Communications Manager, has followed the story of the plight of these killer whales for many years. Here she shares what has been uncovered about the group since she began working at the Trust…

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Scotland’s seas recognised as important for marine mammals

The International Union for Conservation of Nature (IUCN) Marine Mammal Protected Areas Task Force announced 33 new Important Marine Mammal Areas (IMMAs) within the Northeast Atlantic and Baltic Sea. 

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Sandeel fisheries to be banned in Scottish waters

Following a public consultation in 2023, the Scottish Government have announced a ban on industrial sandeel fishing in Scottish waters ahead of the 2024 fishery season in March. The move is especially important for species that rely on sandeels as an important component of their diet, such as harbour porpoise and minke whale.

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For the love of long-term monitoring

Long-term monitoring is the foundation of effective conservation. At HWDT we talk about long-term monitoring a lot but what is it and why is it such an important part of wildlife conservation?  

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The wonders of winter watching

For many, summer is the time to get out and watch for the abundance of marine wildlife that migrate into our seas each year, but winter is still an exciting and important time to have your eyes on the sea.

Our Education and Sightings Officer, Sadie, dives deeper into why winter watching is so important, encouraging everyone to don their raincoats and woolly hats and #EmbraceYourWhaledSide, dedicating some time to watch from land.

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Minke whales visiting Scotland’s west coast set European record

Scotland’s west coast seas are a vitally important area for minke whales – with some of these spectacular but vulnerable marine mammals notching up Europe’s longest sighting histories of almost 30 years, research by the Hebridean Whale and Dolphin Trust shows.

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The Better Biodiversity Data project on tour: learning about marine mammal recording

Christine Tansey, the Better Biodiversity Data (BBD) project Partnership Officer from the National Biodiversity Network Trust recently joined Silurian on a trip from Ullapool back home to Tobermory. With a background in terrestrial conservation and recording, this opportunity gave Christine an insight into the protocols used and challenges faced when collecting and processing cetacean sightings and acoustic data.

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