Aad van Meerkerk, Wikimedia Commons

Ireland's 10 Most Unwanted Animals

Invasive species have found their way to the Emerald Isle. Here are 10 of the most destructive.

Published On 03/15/2013
4:45 PM EDT
Alexey Krasavin, Flickr
S. Pothoven, Great Lakes Environmental Research Laboratory/NOAA
Noel Burkhead, USGS
Christian Fischer, Wikimedia Commons
Noel Burkhead, USGS
Mediterranean earthworm | Noel Burkhead, USGS
Ryan Hagerty, USFWS
Robert Orr, Flickr
Muntjac deer | Joe Pell, Flickr