A fossilised bird skull found in Antarctica reveals evolutionary links between Vegavis iaai and modern waterfowl species.
15 天
Chip Chick on MSNSinuses Were What Held Prehistoric Crocodiles Back From Being Deep Divers Like Dolphins And ...The sinuses of the ancient relatives of modern-day crocodiles prevented them from becoming deep divers like dolphins and whales, according […] ...
十轮网科技资讯 on MSN16 天
地球上第一批水禽,可能生活在6,900万年前的南极洲现代鸭鹅畅游于陆地池塘,然而6,900万年前,水禽早期祖先可能生活在南极洲。科学家近日从南极洲发现迄今最古老现代鸟化石,不只提供现代鸟类起源资讯,还表明水禽早期祖先与霸王龙生活在同一时代。 科学家从南极半岛发现一块近乎完整的颅骨化石,属于已灭绝的远征维加鸟(Vegavis ...
The skull, from an ancient relative of ducks and geese known as Vegavis iaai, suggests that the key characteristics of modern birds were already in place 69 million years ago. Birds evolved from ...
A landmark study reporting the discovery of Australopithecus africanus one century ago put the African continent at the centre of the story of humanity. The skull that commanded Dart’s attention ...
“Bird brain” is often hurled at someone as an insult, but scientists have discovered that the brains of birds are so large that they are “practically a braincase with a beak”. By looking ...
“While ‘bird brain’ is often used as an insult, the brains of birds are so large that they are practically a braincase with a beak. We decided to test if this also means that the brain’s imprint on ...
The fossils were destroyed, with Stromer’s papers and photographs and a cast of the animal’s braincase the only clue they had ever existed. Then, a modern-day researcher discovered a ...
Many bird species such as crows and parrots demonstrate problem-solving skills, tool use, and even self-awareness. “The brains of birds are so large that they are practically a braincase with a beak,” ...
The discovery was made possible by comparing historical microscopic sections of the brain with digital imprints of the bird's inside braincase, in the largest such study of its kind covering 136 ...
The Late Jurassic macronarian island dwarf Europasaurus holgeri is one of the most peculiar and best-studied sauropods worldwide. So far, the braincase material of this taxon from Germany pended ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果