Orcinus orca是什么
WebEstablished in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of … WebThe longest Killer Whale ever recorded was a male from Washington state, measuring 9.8 m (32 ft). Calves at birth weigh about 180 kg and are about 2.4 m long (8 ft). The Killer …
Orcinus orca是什么
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The orca or killer whale (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, orcas can be found in all of the world's … See more Orcas are commonly referred to as "killer whales", despite being a type of dolphin. Since the 1960s, the use of "orca" instead of "killer whale" has steadily grown in common use. The genus name … See more Orcas are found in all oceans and most seas. Due to their enormous range, numbers, and density, relative distribution is difficult to estimate, but they clearly prefer higher latitudes and coastal areas over pelagic environments. Areas which serve as major study … See more Day-to-day orca behaviour generally consists of foraging, travelling, resting and socializing. Orcas frequently engage in surface behaviour such as breaching (jumping completely out of the water) and tail-slapping. These activities may have a variety of purposes, … See more Orcinus orca is the only recognized extant species in the genus Orcinus, and one of many animal species originally described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae See more Orcas are the largest extant members of the dolphin family. Males typically range from 6 to 8 metres (20 to 26 ft) long and weigh in excess of 6 tonnes (5.9 long tons; 6.6 short tons). However, the largest recorded specimen measured 9.8 metres (32 ft) and weighed … See more Orcas are apex predators, meaning that they themselves have no natural predators. They are sometimes called "wolves of the sea", … See more Female orcas begin to mature at around the age of 10 and reach peak fertility around 20, experiencing periods of polyestrous cycling separated by non-cycling periods of … See more WebDescription: Orcas are the largest member of the dolphin family and one of the most impressive marine predators. Attitudes toward killer whales have fortunately improved in recent decades. Although the species has long been idolized in many aboriginal maritime cultures, other societies feared, damned and commonly persecuted them.
WebThe meaning of ORCA is a relatively small toothed whale (Orcinus orca of the family Delphinidae) that is black above with white underparts and white oval-shaped patches behind the eyes : killer whale. How to use orca in a sentence. WebJan 4, 2024 · The Southern Resident killer whale Distinct Population Segment (DPS) was listed as endangered under the Endangered Species Act (ESA) in 2005. In the listing, the …
WebOrcinus orca. Fast Facts Description Killer whales are easily recognized by their large size and striking black and white coloration. The dorsal surface and pectoral flippers are black except for a grayish patch (saddle) that lies behind the dorsal fin and a white eyespot located just above and slightly behind each eye. The ventral surface ... WebThe meaning of ORCINUS is the genus consisting of the killer whale.
Web虎鲸（学名：Orcinus orca）：是哺乳纲、海豚科中体型最大的物种。. 头部呈圆锥状，没有突出的嘴喙。. 身体大小、鳍肢大小和背鳍高度有明显的性二型。. 大而高耸的背鳍位于背 …
WebКоса́тка (лат. Orcinus orca) — вид китообразных из семейства дельфиновых (дельфинов) парвотряда зубатых китов.Единственный современный представитель рода косаток. Признан самым крупным представителем своего семейства и ... detective kelly porter booksWebUsing 38 years of photographic data, we quantified the occurrence of tooth rake marks on wild resident killer whales (Orcinus orca), examining the effects of age, sex, and prey abundance on rake density. Our analysis revealed sex and age effects, with males exhibiting higher rake density than females and rake density declining significantly ... chunk of boar meat classicWebMay 31, 2016 · Some groups of Orcinus orca live on a diet of fish, others on mammals, some on birds and reptiles. Some live in Arctic waters, some in the Antarctic. Some groups tend to stay in one place, others ... detective kisoWebPopulations of killer whale (Orcinus orca) contain some of the most polluted animals on Earth. Yet, the knowledge on effects of chemical pollutants is limited in this species. Cell cultures and in vitro exposure experiments are pertinent tools to study effects of pollutants in free-ranging marine ma … chunk o crayonWebThe orca or killer whale (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, orcas can be found in all of the world's oceans in a variety of marine environments, from Arctic … chunk of beefWeb虎鲸（学名：Orcinus orca, 英语：Orca）为齿鲸小目海豚科下体型最大的物种，又称杀手鲸、杀人鲸（英语：Killer whale）、逆戟鲸。 地球上的所有大洋中都有虎鲸生活，且为全 … chunk of boar meat farmingWebL' orque, ou épaulard ( Orcinus orca ), est une espèce de mammifères marins du sous-ordre des cétacés à dents, les odontocètes . Elle a une répartition cosmopolite ; elle vit dans les régions arctiques et antarctiques jusqu'aux mers tropicales. Son régime alimentaire est très diversifié, bien que les populations se spécialisent ... chunk of broken ancient stone worker eq