Baleen Baleen Baleen is a filter-feeder system inside the mouths of baleen whales. The baleen system works by a whale opening its mouth underwater and taking in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as food source for the whale. Baleen is similar to bristles and consists of keratin, the same substance found in human fingernails and hair. Baleen is a skin derivative. Some whales, such as the bowhead whale, have longer baleen than others. Other whales, such as the gray whale, only use one side of their
Baleen basketry stitches, at the center of their lids and bases. Baleen basketry Baleen basketry is a particular type of basketry, an Alaska Native art made from whale baleen developed in Barrow, Point Hope, and Wainwright, Alaska by North Alaskan Iñupiaq people. Created at the dawn of the 20th century, the baskets made with baleen (a flexible material found in the mouths of Mysticeti or baleen whales) were based on willow-root prototypes. Thin strips of baleen are cut and attached to ivory disks at the start. A coiling method is used to sew baleen bands together, ending with a carved ivory knob