baleen

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baleen:

see whalewhale,
aquatic mammal of the order Cetacea, found in all oceans of the world. Members of this order vary greatly in size and include the largest animals that have ever lived. Cetaceans never leave the water, even to give birth.
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baleen

[be′lēn]
(vertebrate zoology)
A horny substance, growing as fringed filter plates suspended from the upper jaws of whalebone whales. Also known as whalebone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

baleen

whalebone
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The right whale lumbers along with its mouth half open filtering out plankton, its food, through the baleen plates. It was a simple matter for whalers to row close to a right whale and plunge a harpoon into it.
While massive in size--45 feet in length and weighing an average of 70,000 pounds--they eat only small fish and krill by using large filter-like baleen plates. Since hunting has been banned, humpbacks have no predators except an occasional orca whale, which targets young or injured animals.
This simple and poetic picture book introduces the blue whale, telling of its enormous size and large dark eyes the size of teacups, of its 790 baleen plates and the millions of krill it eats on its journeys through the oceans.
Baleen whales have hundreds of furry comb-like structures hanging down from their upper jaws called baleen plates. These act as a huge sieve which filters food from the sea.
Baleen whales are a large family of whales and include many subgroups, all of which feed by using baleen plates in their mouths to filter krill and small fish from the water, instead of teeth.
They get fishing lines around their tails, flippers, or in the worst-case scenario, through their baleen plates as they filter water for long periods with their mouths open.