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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 ...
Several species of non-native ascidians with known negative impacts to aquaculture operations have been introduced and established to both the Pacific and Atlantic coasts of Canada. These non-native sea squirt species include: Ascidiella aspersa (the European sea squirt), Botrylloides violaceus (the violet tunicate), Botryllus schlosseri (the ...
The wildlife of Canada or biodiversity of Canada consist of over 80,000 classified species, [a] and an equal number thought yet to be recognized. [3] Known fauna and flora have been identified from five kingdoms: [ 4 ] protozoa represent approximately 1% of recorded species; chromist (approximately 4); fungis (approximately 16%); plants ...
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 ...
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 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 ...
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.
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