Later in the 17th century, Dutch ships started hunting bowhead whales near Jan Mayen; the bowhead population between Svalbard and Jan Mayen was then about 25,000 individuals.
Senere i 1600-tallet jagtede hollandske skibe grønlandshvaler nær Jan Mayen; der fandtes omkring 25.000 grønlandshvaler mellem Svalbard og Jan Mayen.