Invasive Species Readings

Directed Reading:

Extended Reading:

State of World’s Birds 2022 Report:

• 46% of all known bird extinctions were associated with invasive alien species

• are a major threat on oceanic islands where there are 41% of all globally threatened bird species, of which 69% are threatened by invasive species, compared with just 18% of species that are

• every year, cats kill 2.69-5.52 billion individual birds in China, 1.3-4.0 billion birds in the United States, 100-350 million birds in Canada, 377 million birds in Australia, and 136 million birds in Polish farmsteads

• every year, Red Foxes kill 111 million individual birds in Australia, of which 93% are native

• rats and mice threaten the most bird species, followed by cats, pigs and dogs

Solutions-

• 1,084 successful eradications of invasive animals have been carried out on 806 islands to date e.g. by BirdLife International Partnership

• Five years after the eradication of Polynesian Rats in 2015, the population of Critically Endangered Polynesian Ground-dove had doubled in Vahanga