Since 2010, he's noticed groups of two dozen humpbacks temporarily in the local fjord, where herring have swum up in huge numbers to stock up for subsequent migrations south. (sciencemag.org)
There are two possible explanations for where this split occurred, and how the separation affected subsequent migrations. (seeker.com)
This means the Basque area was largely unaffected by subsequent migrations that shaped genetic patterns elsewhere in Europe. (bbc.com)