Accidental Species

Definition

Species that are occasionally found in a particular area, typically not considered native and with no established population.

Etymology

From Latin 'accidens', meaning 'chance' or 'accident'.

Example

The accidental introduction of the red imported fire ant to the United States is a classic example of how an invasive species can become established.

Related Terms

• Invasive Species
• Introduced Species
• Non-native Species

Usage Notes

Accidental species often are considered 'stowaways' as they arrive in new areas through accidental means, such as being transported in goods or on clothing.