1. Wooly Mammoths: Extinct 10,000 years

    Mammoths are hairy elephant-like animals, with a sloping back, huge curved tusks up to 3.5 m. long, tiny tail, a large shoulder hump, unique teeth and small ears. They were adapted to cold weather, and lived during the ice age. Woolly Mammoths lived from about 2 million years to 10,000 years ago, that was 65 million years after the dinosaurs went extinct.They lived throughout the world.

    2. Megalodon: Extinct 25 - 1.6 million years

    During its 25-million years, Megalodon was distributed nearly world-wide. Megalodon is a very large shark/dino shark with fossil teeth, they're sized would have been 40-100 feet long or even more. They are known from South America, North America, Africa, Asia, Australia, New Zealand and New Caledonia. They lived during Miocene era. Lucky for us that they're extinct now and gone.

    3. Dodo: Extinct Since Late 17th Century

    A flightless bird from islands in the Indian Ocean with a black fluffy down and feathers, greenish yellow bill and black feet and related to pigeons and doves. They're weight ranged according to reproduction periods and seasonal diets. Dodo bird is now extinct and have died out around 1691 AD.

    4. Megatherium: Extinct 11,000 Years

    A giant sloth that lived during the ice age.

    5. Passenger Pigeon: Extinct since 1914

    The most abundant bird species on earth. Their extensive winter roosting grounds along river bottoms in the Southern Appalachians are recalled in the names of two rivers, the Pigeon and the Little Pigeon.

    6. Carolina Parakeet: Extinct since Early 1900s

    The only member of the parrot family native to the eastern United States. Carolina Parakeet is a large colored bird, about thirteen inches long, with a yellow head and neck and orange cheeks and forehead, mostly bright green in color.

    7. Atrox Lion: Extinct 25,000 Years

    This cat was about 1/4 larger than the African lion, even bigger than the Siberian tiger. It lived from 25,000 years ago to 10,000 years ago in North America. Fossil evidence indicates it had the most highly developed brain of any known cat.

    8. Irish Deer: Extinct 7,700 Years

    The Irish Deer, was the largest deer that ever lived. The Giant Deer is famous for its size. It lived in Eurasia, from Ireland, during the Late Pleistocene and early Holocene.

    9. Great Auk: Extinct Since 1844

    image source

    The Great Auk stand about 75 centimetres or 30-34 inches high and weighing around 5 kl. It was from the Atlantic. The only species in the genus Pinguinus, flightless giant auks , survive until recent times, but is extinct today. It was also known as garefowl, or penguin.

    10. Tyrannosaurus Rex: Extinct 65 Million Years

    Tyrannosaurus Rex: measuring up to 43.3 feet long and 16.6 ft tall, the estimated mass that goes up to 7 tons. It was one of the largest land carnivores of all time.

    1、毛猛犸：10000年前灭绝

    猛犸是类似有毛大象的一种动物，长着向后倾斜的、巨大而弯曲的、长度可达3.5米獠牙，又细又长的尾巴，巨大的肩峰，独特的牙齿和两支小耳朵。它们适应了寒冷的气候，生活在冰河时代。毛猛犸生活在2百万年至10000年前，也就是恐龙灭绝后的6500万年。它们生活在世界各地。

    2、巨齿鲨：2500年至160万年前灭绝

    在它生活的2500年间，巨齿鲨几乎分布到了全世界。巨齿鲨是一种长着如化石般牙齿的巨型鲨鱼/恐龙鲨，它们的尺寸可达40至100英尺，甚至更多。它们在南美、北美、非洲、亚洲、澳洲、新西兰和新喀里多尼亚都有鼎鼎大名。它们生活在中新世时期。幸运的是它们现在灭绝了，成了历史。

    3、渡渡鸟：17世纪末灭绝

    印度洋岛屿上的不会飞的鸟，长着黑色的绒羽和翎羽，黄绿色的啄及黑色的脚，与灰鸽和白鸽有亲缘关系。它们的重量随着生殖期和捕食期而发生变化。渡渡鸟现已灭绝，大约在1619的绝迹。

    4、大地懒：11000年前灭绝

    生活在冰河时期的巨大懒科动物。

    5、候鸽：1914年灭绝

    地球上最繁盛的鸟类品种。它们在南阿巴拉契亚山麓河流沿的宽广的冬季栖息地，因两条河而被人们想起，即鸽子河和小鸽子河。

    6、卡罗莱纳州长尾小鹦鹉：1900年灭绝

    原生于美国东部的鹦鹉家族的唯一成员。卡罗莱纳州长尾小鹦鹉是一种大体形的彩色鸟，大约有13英寸长，有黄色的头和脖子，桔色的颊和前额，大部分为亮绿色。

    7、拟狮：25000年前灭绝

    这种猫比非洲狮约大四分之一，甚至比西伯利亚虎还要大。25000年至10000年前，它生活在在北美洲。化石证据表明，它有比任何已知的猫科动物都更发达的大脑。

    8、爱尔兰鹿：7700年前灭绝

    爱尔兰鹿是曾经存活的最大的鹿。这种巨型鹿以它的体型而闻名。它从爱尔兰移居到欧亚大陆，生活在在更新世和全新世时期。

    9、大海雀：1844年灭绝

    大海雀约75厘米或30至34英寸高，重约5公斤。原生于大西洋。企鹅属的一个品种——不会飞的大海雀，存活到近期，但目前已经灭绝。它也被称为大海燕或是企鹅。

    10、暴龙：6500万年前灭绝

    长达43.3 英尺，高达16.6英尺, 估计质量达7吨. 它是有史以来最大的陆地食肉动物之一。