Invasive species are a type of non-native species found outside their natural ranges, causing harm to other life forms or ecosystems. Human activity is behind the spread of these species, whether ...

Across the U.S., including Illinois, many non-native wildlife species have found their way into new environments, where they can pose a threat to natural ecosystems and the economy. This spring, ...

Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce biodiversity and can make entire regions less resilient in the face of ...

National Invasive Species Awareness Week 2026 occurs between February 23 and February 27, 2026. Invasive species are frequently ecological disasters, as evidenced by the damage caused by feral pigs ...