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Humans have introduced more different species to new environments than any single document can record. This list is generally for established species with truly wild populations— not kept domestically, that have been seen numerous times, and have breeding populations. While most introduced species can cause a negative impact to new ...
This is a list of bird species confirmed in Canada. Unless otherwise noted, the list is that of Bird Checklists of the World as of July 2022. [2] Of the 704 species listed here, 236 are accidental. Twelve species were introduced to North America or directly to Canada, three species are extinct, and three (possibly four) have been extirpated ...
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 native area of occupation or the success of that re-introduction or introduction to the area. This practice has been harmful in many areas, although some introductions are made with the aim of ...
This is a list of mammal species recorded in the wild in Newfoundland, the island portion of the Canadian province of Newfoundland and Labrador.Only 14 known species (and one extinct species) are or were native to the island; this list is divided into native species and species introduced to the island since discovery by Europeans and colonization in the late 15th and early 16th centuries.
Yellow: Includes species that are apparently secure and not at risk of extinction. Yellow-listed species may have red- or blue-listed subspecies. Exotic: Species that have been moved beyond their natural range as a result of human activity. Exotic species are also known as alien species, foreign species, introduced species, non-indigenous ...
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accidentally. Non-native species ...
This is a list of the reptiles of Canada. Most species are confined to the southernmost parts of the country. All Canadian reptiles are composed of squamates and testudines. Conservation status - IUCN Red List of Threatened Species: EX - Extinct, EW - Extinct in the wild CR - Critically endangered, EN - Endangered, VU - Vulnerable
The fauna of Canada consist of approximately 200 mammal species, over 460 native bird species, 43 amphibian species, 43 reptile species, and 1,200 fish species. [ 1 ] [ 2 ] The biology survey of Canada cites that there are approximately 55,000 species of insects and 11,000 species of mites and spiders.