The Dülmener or Dülmen is a German breed of small feral horse. It was formerly known as the Merfelderbrücher. A herd of approximately 300 head lives in feral conditions in an area of about 3.5 km² (1.4 square miles) in the Merfelder Bruch, near the town of Dülmen in the Kreis of Coesfeld in north-western Nordrhein-Westfalen, in north-western Germany.
It is gravely endangered; in 2014 it was the "endangered breed of the year" of the "Gesellschaft zur Erhaltung alter und gefährdeter Haustierrassen" (Society for the preservation of old and endangered domesticated animal breeds), and in 2021 was classified in category I, extrem gefährdet (extremely endangered) on the Rote Liste (Red List) of that association.
Herd of Dülmener Feral Horses (Equus caballus, german: Hauspferd, french: Cheval). All the horses in the reserve are on this meadow. (1136k) All the horses moved from the meadow into the forest to get out of the rain. (1349k) Mostly they move single file. (1215k) Dülmener mare with foal. (1186k) Dülmener. (1169k) Dülmener. (1483k)