When the Dutch colonized the island of Mauritius back in the 17th century, sailors brought with them a variety of pets and animals as carry-ons, like cats, rats and monkeys. Unadapted to these new predators, local animals would have been profoundly affected by their introduction. Dodos, for example, were wiped out within just 90 years of the arrival of the Dutch. Unfortunately, there exist few detailed descriptions of the Mauritian ecosystem prior to Dutch occupation, except of settlers jotting down which animals were easiest to catch.
The monk parakeets that have invaded Europe and North America over the last 40-50 years fortifying their massive communal nests atop utility poles in many urban areas appear to have originated from the same small area in South America, according to a new study.