Invasive Aliens: the Plants and Animals from Over There that Are Over Here.

Invasive Aliens: the Plants and Animals from Over There that Are Over Here by Dan Eatherley (2019) 336 pp., William Collins, London, UK. Although alarm about invasive species is relatively recent, Eatherley demonstrates that introduced aliens have been liberally sprinkled by us around the world throughout human history, and even before that. The conservationist-led operation to remove grey squirrels is not anti them, it is pro the native red squirrel, which is being banished by its larger, disease-carrying cousin. [Extracted from the article]