https://phys.org/news/2019-03-dolphins-french-shores-year.html

The mass deaths, widely blamed on industrial fishing, have alarmed animal welfare groups and prompted France's ecology minister to launch a national plan to protect them.

"There's never been a number this high," said Willy Daubin, a member of La Rochelle University's National Center for Scientific Research. "Already in three months, we have beaten last year's record, which was up from 2017 and even that was the highest in 40 years."