Adults weigh 454-681 g (1-1.5 lb). The deciduous forests of the eastern half of North America provide optimum habitat for the gray squirrel, but the range includes portions of the mixed forest in ...

Grey squirrels are an invasive species from North America that was introduced to the UK and Ireland in the late 19th century. They out-compete the native red squirrels for food and space and carry ...

Grey squirrels are an invasive species that was introduced to the UK and Ireland in the late 19th century from North America. They out-compete the native reds for food and space and carry a ...

endangered species program director at the Center for Biological Diversity. “I’m hopeful that endangered status will ring the alarm bells and spur action.” Western gray squirrels superficially ...