Just about the only way a bat can become fossilized is if it dies in a place where it is swiftly covered with sediment that protects it from scavengers and microorganisms alike.

• 蝙蝠成为化石的唯一方式，也许是死亡后即刻被泥沙迅速覆盖，使尸体不被食腐动物与微生物破坏。