在这个世界上到底是先有鸡还是先有蛋?答案是:先有蛋,因为在三叠纪晚期,恐龙正在下蛋——尽管那些蛋没一个是鸡下的。不过,要评选产蛋大师,鸟类确实是当之无愧,它们的蛋体积最大,而且种类最多。鸟类的蛋,形状大小可谓千差万别。有的像弹子球一样,有的则细而长,甚至还有尖的、金 In this world is chicken or egg first? The answer is: eggs first, because in the late Triassic period, dinosaurs were laying eggs - although none of those eggs were chickens. However, to select egg production masters, birds are indeed well-deserved, and their eggs are the largest and the most diverse. Bird’s eggs can vary in shape and size. Some are like pinballs, others are thin and long, and even sharp and gold.