Bad news for man's best friend: Dogs are environmental villains

An Australian review of existing studies has argued that “the environmental impact of owned dogs is far greater, more insidious, and more concerning than is generally recognised” The review highlighted the impacts of the world’s “commonest large carnivore” in killing and disturbing native wildlife, particularly shore birds.

In Australia , attacks by unrestrained dogs on little penguins in Tasmania may contribute to colony collapse.