An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species...

complete list of introduced species for even quite small areas of the world would be dauntingly long. Humans have introduced more different species to new environments...

An invasive species is an introduced species that harms its new environment. Invasive species adversely affect habitats and bioregions, causing ecological...

conditions. Introduced species are considerably dangerous to the delicate ecosystem that is the Victorian Alps. Red foxes are the fourth most common species found...

This list of introduced bird species includes all the species of bird introduced to an area without regard to that territory being or not being their...

and introduced species. Compared with much of the rest of Europe, Great Britain has a smaller number of ants. The size and diversity of ant species in...

spread by the introduced signal crayfish. Unlike some other environmental problems such as pollution, the effect of an introduced species is not a single...

species of mammals, with 62 extinct and 10 endangered 55 species of frogs, with 18 endangered 46 species of snakes, with five endangered five species...

A number of introduced species, some of which have become invasive species, have been added to New Zealand's native flora and fauna. Both deliberate and...

species within the regions where it was anthropogenically introduced. If an introduced species causes substantial ecological, environmental, and/or economic...