Whale than males. Baleen whales have no teeth; instead they have plates of baleen, a fringe-like structure used to expel water while retaining the krill and plankton which they feed on. They use their throat pleats to expand the mouth to take in huge gulps of water. Balaenids have heads that can make up 40% of their body mass to take in water. Toothed whales, on the other hand, have conical teeth adapted to catching fish or squid. Baleen whales have a well developed sense of "smell", whereas toothed whales have well-developed hearing − their hearing, that is adapted for both
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