Clinical assessment and postrelease monitoring of 11 mass stranded dolphins on Cape Cod, Massachusetts

  • Published source details Sampson K., Merigo C., Lagueux K., Rice J., Cooper R., Weber III E.S., Kass P., Mandelman J. & Innis C. (2012) Clinical assessment and postrelease monitoring of 11 mass stranded dolphins on Cape Cod, Massachusetts. Marine Mammal Science, 28, 404-425.


This study is summarised as evidence for the following.

Action Category

Rescue and release stranded or trapped marine and freshwater mammals

Action Link
Marine and Freshwater Mammal Conservation
  1. Rescue and release stranded or trapped marine and freshwater mammals

    A replicated study in 2005–2011 of multiple pelagic sites in the North Atlantic Ocean, near Cape Cod, USA (Sampson et al. 2012) found that all stranded Atlantic white-sided dolphins Lagenorhynchus acutus and a third of stranded short-beaked common dolphins Delphinus delphis that were rescued and released survived for at least 1–7 months. All of eight Atlantic white-sided dolphins survived for at least 33–218 days after release. One of three short-beaked common dolphins survived for at least 65 days after release. Contact was lost with the two other common dolphins (including one juvenile) 8 h and 9 days after release, and it was not known if they died or satellite-tags failed. Eight Atlantic white-sided dolphins and three short-beaked common dolphins were rescued, satellite-tagged and released during seven mass stranding events in 2005–2010. Stranded dolphins were kept moist, shaded and comfortable. Behavioural observations, physical examinations and blood tests were carried out prior to release. The dolphins were released singly or in pairs at various locations on the same day as stranding. The 11 released dolphins were tracked for between 8 h and 218 days in 2005–2011.

    (Summarised by: Anna Berthinussen)

Output references
What Works 2021 cover

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, mammals, forests, peatland and control of freshwater invasive species. More are in progress.

More about What Works in Conservation

Download free PDF or purchase
The Conservation Evidence Journal

The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

Read the latest volume: Volume 18

Go to the CE Journal

Discover more on our blog

Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.

Who uses Conservation Evidence?

Meet some of the evidence champions

Endangered Landscape Programme Red List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Bern wood Supporting Conservation Leaders National Biodiversity Network Sustainability Dashboard Frog Life The international journey of Conservation - Oryx British trust for ornithology Cool Farm Alliance UNEP AWFA Butterfly Conservation People trust for endangered species Vincet Wildlife Trust