Pine martens prefer nesting underground during the cold winter, but hollow trees, squirrel nests, abandoned bird nests, and rock crevices are also used as hideaways.
Pine martens prefer nesting in hollow trees, but squirrel nests, abandoned bird nests, and rock crevices are also used as hideaways. At colder ambient temperatures in the winter, martens more frequently choose to rest underground.
An individual pine marten can have several nests within the home range.
• Image | © Kentish Plumber, Some Rights Reserved, (CC BY-NC-ND 2.0)
• Sources | (Schwanz, 2000)
