[1] During the first years in service Grønland spent a significant part of her time in the Mediterranean Sea, where she escorted Danish merchant ships.

For this purpose the expedition was equipped with nets and scrapers, specifically designed to collect samples from the open waters and the bottom at great depth.

His descriptions of animals collected, together with drawings and sketches by Baurenfeind, were posthumously published as the book Descriptiones Animalium, which stands out as one of the most important contributions to natural history in the 18th century.

Also the many detailed maps made by Niebuhr and ethnographic observations and artifacts collected by the expedition still today provides one of the most important sources of information about the life in 18th century Yemen.

The fleet, under command of Admiral Frederik Christian Kaas, bombed Algiers from the sea, but was unsuccessful in making a deal with the Dey.