Noun
Plates or blades of "whalebone," from two to twelve feet long, and sometimes a foot wide, which in certain whales (Balaenoidea) are attached side by side along the upper jaw, and form a fringelike sieve by which the food is retained in the mouth.
Source: Webster's dictionaryBy 1925, with the advent of the stern slipway in factory ships and the use of steam-driven whale catchers, the catch of blue whales, and baleen whales as a whole, in the Antarctic and sub-Antarctic began to increase dramatically. Source: Internet
Cetaceans display convergent evolution with fish and aquatic reptiles Mysticetes evolved baleen around 25 million years ago and lost their teeth. Source: Internet
Cetaceans have well-developed senses—their eyesight and hearing are adapted for both air and water, and baleen whales have a tactile system in their vibrissae. Source: Internet
Birch bark, puffin feathers, and baleen are also commonly used by the Aleut in basketry. Source: Internet
Fishing seeAlso Dominoes made of baleen Dolphin pods often reside near large tuna shoals. Source: Internet
Eschrichtiidae or the gray whales is a family of baleen whale (suborder Mysticeti ) with a single extant species, the gray whale (Eschrichtius robustus). Source: Internet