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To use baleen, the whale first opens its mouth underwater to take in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale. Baleen is similar to bristles and consists of keratin, the same substance found in human fingernails, skin and hair. Baleen is a skin ...
"Sain" or "grasa de ballena" was also used (by mixing it with tar and oakum) for caulking ships, as well as in the textile industry. [13] Ambroise Paré (1510–90), who visited Bayonne when King Charles IX (r. 1560–74) was there in 1564, said they used the baleen to "make farthingales, stays for women, knife-handles, and many other things". [14]
Baleen whales can have streamlined or large bodies, depending on the feeding behavior, and two limbs that are modified into flippers. The fin whale is the fastest baleen whale, recorded swimming at 10 m/s (36 km/h; 22 mph). Baleen whales use their baleen plates to filter out food from the water by either lunge-feeding or skim-feeding
Baleen whales - a group that includes the blue whale, the largest animal in Earth's history - use a larynx, or voice box, anatomically modified to enable underwater vocalization, researchers said ...
"Middle Passage" follows the transatlantic slave trade and is focused on the events surrounding the mutiny on La Amistad in July 1839. [3] Hayden sought to redefine African-American history through his poem. [4] [5] The original version of the poem has some typographical errors and mistakes in how it was set. In revising the poem, Hayden made ...
The Middle Passage was the stage of the Atlantic slave trade in which millions of enslaved Africans [1] were forcibly transported to the Americas as part of the triangular slave trade. Ships departed Europe for African markets with manufactured goods (first side of the triangle), which were then traded for slaves with rulers of African states ...
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Aetiocetus is a genus of extinct basal mysticete, or baleen whale that lived , in the Oligocene in the North Pacific ocean, around Japan, Mexico, and Oregon, U.S. It was first described by Douglas Emlong in 1966 and currently contains known four species, A. cotylalveus, A. polydentatus, A. tomitai, and A. weltoni. [1]