雌菱皮龟在他们被孵化出来之后就开始了它们的第一次迁移。
Female leatherbacks begin their first migrations as newly hatched youngsters.
雷龙蛋化石是潜藏于疏松砂岩石中,科学家们认为在幼仔刚刚孵化出来时就遭受到了蛇的袭击,而他们很可能是因为受到暴风雨的袭击而被快速得被掩埋在了沙土之中。
The titanosaur eggs were laid in loose sand. Scientists believe the hatchling had just emerged from its egg when the snake struck, attracted by its movements.
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