近日,由中、加、美等国科学家组成的联合研究团队宣布,他们发现了有史以来第一件琥珀中的雏鸟标本,这只“委身”于琥珀的雏鸟的头部、颈椎、翅膀、脚部和尾部都相当完整,而且,它出现于距今9900万年前。琥珀与化石不同。特异保存的化石往往能提供远古生命前所未见的细节,但由于成岩作用的影响,仍然会损失大量细节。琥珀则恰恰 Recently, a joint research team consisting of scientists from China, Canada and the United States announced that they had discovered the first ever specimen of amber in the history of amber, which is only “committed” to the head of an amber chick, , Wings, feet and tail are quite complete, and, it appears 99 million years ago. Amber and fossils different. Specially preserved fossils often provide details never seen before in ancient life, but large amounts of detail can still be lost due to diagenesis. Amber is exactly