The Invasive Species Profiles List is a overview of all invasive species profiles included on our Web site with primary common and scientific names, and is searchable.

An invasive species can be any kind of living organism—an amphibian (like the cane toad), plant, insect, fish, fungus, bacteria, or even an organism’s seeds or eggs—that is not native to an ecosystem and …

Dec 16, 2025 · invasive species, any nonnative species that significantly modifies or disrupts the ecosystems it colonizes. Such species may arrive in new areas through natural migration, but they …

In the United States, it is estimated that these invasive animals kill over 1 billion birds and 6 billion other small animals annually. Feral cats that live and breed away from the care of humans are the most …

Invasive species adversely affect habitats and bioregions, causing ecological, environmental, and/or economic damage. Since the 20th century, invasive species have become serious economic, social, …

Invasive animals, plants and pathogens pose a persistent and growing threat to U.S. agricultural production, forest resources, global food security and rural economies. These threats have real …

Jul 29, 2024 · Invasive species has a specific definition: A non-native species that causes harm to the environment, economy, or human, animal, or plant health (Executive Order 13751). It is often thought …

Sep 26, 2024 · Some invasive animals are spread intentionally (for example, in an attempt to control other pests) and some are spread entirely by accident. Climate change is also encouraging the …

An invasive species is any plant or animal that has spread or been introduced into a new area where they are, or could, cause harm to the environment, economy, or human, animal, or plant health.

USGS invasive species research encompasses all significant groups of invasive organisms in terrestrial and aquatic ecosystems throughout the United States, directly supporting risk assessment, …