WebKiller whales, also known as orcas, are an iconic species, long revered by various aboriginal cultures and frequently the stars of animal performances at marine parks. The species has recently made even more famous by films like “Blackfish” and “Free Willy”. Technically, it is the largest dolphin species, but is called a whale because ... WebThere are 10-12 large, recurved teeth in each half of both jaws, which are oval in cross section. In older animals, they are often worn and damaged by abscesses. Adult females are up to 8.5 m and 7,500 kg; adult males up to 9.8 m and nearly 10,000 kg. Newborn killer whales are 2.1-2.4 m in length and about 180 kg in weight.
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虎鯨（學名：Orcinus orca），又稱殺手鯨、逆戟鯨，為齒鯨小目海豚科下体型最大的物種。虎鲸是世界上分布最广的哺乳动物之一，地球上的所有的大洋都有虎鲸栖息，除了在波罗的海、黑海及北冰洋部分地区，在冰冷的南北極、溫帶亞熱帶到热带海域都有分布。 虎鯨是一种非常聪明的掠食動物，位於海洋食物鏈的最頂 … See more 由於虎鯨在電影、電視、與海洋水族館中的演出，牠們可說是家喻戶曉的明星級動物；事实上在1960年代以前，虎鯨仍受人們恐懼與迫害，直到少數野生個體被捕捉與馴養後，社會大眾對牠們的觀念才開始有所改變。虎鯨是人類研究 … See more 虎鯨可分為四型，各型之間的關係未明，甚至可能是不同物種，又或者是亞種，故虎鯨的保育狀況為數據缺乏 。 • A型：最典型的型態，主食為小鬚鯨。 • B型：「白色」部分呈淡黃，且背上有深灰斑； 主食為海豹。 See more 虎鯨時常會有躍身擊浪、浮窺等行為，或是以尾鰭或胸鰭拍擊水面。虎鯨的泳速最快可達時速55公里，可閉氣17分鐘左右。當周遭空氣涼爽時，通常 … See more • 出生時身長體重：2.2－2.6公尺，160－175公斤 • 最大身長體重紀錄：雄─9.45公尺，9,524公斤；雌─8.53公尺、6,803公斤 See more 虎鯨的體型極為粗壯，是海豚科中體型最大的物種，身體大小、鰭肢大小和背鰭高度有明顯的性二型。雄性成體的背鰭直立，最高可達1.0～1.8米，雌 … See more 牠們的移動情形普遍與追蹤獵物或增加捕食率有關，時間通常在魚類產卵季與海豹的生產期。到了夏天，大西洋中大多數的虎鯨都棲息於浮冰邊緣或有 … See more 根據對位於華盛頓州與英屬哥倫比亞外海的定居型族群的研究資料顯示，虎鯨終年皆可生產，高峰期自秋季至隔年春天，平均生殖間隔為5年，成年雌鯨在過了40歲之後通常就不再生育。由圈養個體的研究結果推測，其懷孕期約15至18個月。雖然幼鯨很早就開始攝食固體食 … See more WebSuperclass Gnathostomata jawed vertebrates. Gnathostomata: pictures (15163) Gnathostomata: specimens (6827) Gnathostomata: sounds (709) Euteleostomi bony vertebrates. Euteleostomi: pictures (15026) Euteleostomi: specimens (6826) Euteleostomi: sounds (709) Class Sarcopterygii lobe-finned fishes and terrestrial vertebrates. closshi しまむら 通販
orca中文, orca中文意思 - iChaCha
Web一站式科研服务平台. 学术工具. 文档翻译; 收录引证; 论文查重; 文档转换 WebGenus: Orcinus. Species: Orcinus orca. Orca range (in blue) Killer whales, or Orcas ( Orcinus orca) are the largest dolphins. They have black skin with white patches. They are found in all the world's oceans, from the cold of the Arctic to the tropical seas. They live in pods, which are family groups. WebScientists conducting research on cetaceans have a variety of publication outlets. However, a formal assessment of those options has not been conducted. To better understand the … closshi トランクス