英:[bəˈli:n hweil]
美:[bəˈlin hwel]
英:[bəˈli:n hweil]
美:[bəˈlin hwel]
长须鲸;
noun
any of a suborder (Mysticeti) of usually large whales typically of colder waters that lack teeth but have baleen plates in the upper jaw which are used to filter chiefly small crustaceans (such as krill) out of large quantities of seawater see fin whale, gray whale, humpback whale, right whale, rorqual compare toothed whale
noun
any of a suborder (Mysticeti) of usually large whales typically of colder waters that lack teeth but have baleen plates in the upper jaw which are used to filter chiefly small crustaceans (such as krill) out of large quantities of seawater see fin whale, gray whale, humpback whale, right whale, rorqual compare toothed whale
The first known use of baleen whale was in 1874
bait1 of 2verb
to torment by repeated attacks
to torment (an animal) with dogs
to put bait on or in
bait a hook
bait2 of 2noun
something (as food) used to attract animals to a hook or into a trap
a poisonous material put where it will be eaten by and kill harmful or undesirable animals
lure sense 1, temptation
bait1 of 2verb
to torment by repeated attacks
to torment (an animal) with dogs
to put bait on or in
bait a hook
bait2 of 2noun
something (as food) used to attract animals to a hook or into a trap
a poisonous material put where it will be eaten by and kill harmful or undesirable animals
lure sense 1, temptation
baleen whalenoun
any of various usually large whales lacking teeth but having baleen for filtering small ocean animals (as krill) out of seawater compare toothed whale
1 North Pacific right whales are baleen whales, which feed by straining huge volumes of ocean water through their comb-like baleen plates that trap copepods and other zooplankton.
2 Fourteen species of baleen whales are instrumental in moving carbon, nitrogen and iron through the ocean, a 2021 study in Nature found.
3 In a behind-the-scenes video, the teeth are labelled ‘baleen’, as in baleen whales, real-life marine mammals that have tough but flexible keratin hairs inside their mouths that filter their tiny fishy prey from the inflow of seawater.
4 Two groups of orcas – one that preys on salmon and the other on sea mammals – as well as baleen whales have cruised these waters since time immemorial and are now often visible from Seattle’s shoreline.
5 This unique adaptation enables baleen whales to produce sound by recycling air—and avoid breathing in water, according to ABC News’ Julia Jacobo.
6 Scientists learned that air sacs evolved to allow the baleen whale to recycle air while creating vocal sounds.
7 Air sacs also evolved in a way that may allow a baleen whale to recycle air while creating vocal sounds, according to researchers.
8 There are 14 types of baleen whales, including the humpback, blue, and fin whales.
9 A dwarf minke whale swims near Australia's Great Barrier Reef.
一头小须鲸正在澳大利亚大堡礁附近游弋。
10 Later in the evolution of whale hearing, the toothed and baleen whales parted ways.
鲸豚听觉的演化到了后期,齿鲸与须鲸就分道扬镳了。