19th-century ships accidentally brought mice to islands 30 miles off San Francisco; they later reached densities of 1,270 per hectare and began reshaping the seabird ecosystem
The Farallon Islands Are Off Limits to Humans — but Not Wildlife Accidentally brought to the Farallon Islands by ships in the 19th century, non-native house mice have reached extremely high numbers, with densities of up to 1,270 mice per hectare. The rodents are disrupting the fragile ecosystem of the islands, located about 30 miles […]
