We present a validated list of cetaceans stranded from 2008 up to and including 2014. A total of 4406 cetaceans was found on the Dutch coast during this period, comprising 4346 harbour porpoises (Phocoena phocoena) (98.6% of all strandings) and 59 individuals of twelve other species. The next most numerous species was white-beaked dolphin (Lagenorhynchus albirostris) (14 individuals). All individual cases of stranded cetaceans are included, excepting those of harbour porpoise. During the present period, the years with the highest numbers ever of harbour porpoise have been recorded, although numbers in the early twentieth century or before may have been equally high. Largest numbers of harbour porpoise, both absolute and expressed as average per stretching kilometre, are found in the Wadden Sea area, with a gradually decreasing density further south.

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Seal Centre Pieterburen
Staff publications

Keijl, G., Begeman, L., Hiemstra, S., IJsseldijk, L., & Kamminga, P. (2016). Cetaceans stranded in the Netherlands in 2008-2014. Lutra, 59(1-2), 75–107.