Quick Take Native species evolved naturally in a region; non-native species exist in any given area due to human activity.

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 ...

Rising temperatures in a Southcentral Alaska river have led to a hungrier population of invasive northern pike, a trend that ...

Despite their enriching role in our lives, cats remain a devastating influence on native species around the world with their predatory instincts. When we think of the reasons why animal species go ...

Volunteers have reached another milestone in their effort to re-establish native plants and animal species at the Presidio of San Francisco. On an early, chilly morning last weekend, about 100 ...