The Christmas Island shrew, a tiny mammal once found only on the Australian island of the same name, has been declared officially extinct. It’s at least the fourth small mammal species to be wiped out from the island since the introduction of invasive species there a century ago. The Christmas Island shrew (Crocidura trichura) was […]

The Christmas Island shrew, a tiny mammal once found only on the Australian island of the same name, has been declared officially extinct. It’s at least the fourth small mammal species to be wiped out from the island since the introduction of invasive species there a century ago. The Christmas Island shrew (Crocidura trichura) was […]