Question:

How many invasive species are there in Canada?

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Just Canada please, and by tomorrow would be great. Invasive/exotic/introduced, all I could find was how many invasive plant species there are, but I want all of them in CANADA that part's important too

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  1. Canada is being invaded by aliens, but not by the type you see in science fiction movies. These organisms are found nearly everywhere in Canada. They can belong to any of the categories of organisms in the world, including plants, mammals, birds, reptiles, amphibians, invertebrates, and micro-organisms. They include species native to one part of Canada that move to another region of the country, as well as those that come from outside the country. These aliens are any species that has spread beyond its natural range into new locations as a result of human activity.

    You are already well acquainted with some alien, or non-native, species. For example, lawns and gardens are made up mostly of alien species, including Kentucky bluegrass, periwinkle, lily of the valley, and even the unwanted dandelion. The domestic cat is thought to have originated in Africa. And the pigeon and the European Starling, birds commonly seen in Canadian cities, both came from Europe. Even many of the foods you eat originated in other countries. Potatoes came originally from the South American Andes, corn from Mexico, and wheat from Africa and the Middle East.

    There are also many examples of species from one part of Canada that have taken up residence in another. The familiar moose, for example, is native to most parts of the country, but is an introduced species on the island of Newfoundland, as are the red squirrel and the snowshoe hare. The bullfrog is native to some provinces, but is an alien species in British Columbia. And the House Finch, which originated in several western provinces, is now found in a number of provinces in the east.

    check the source for more info....


  2. I would say a lot, too many to list, the zebra mussel comes to my mind, and I have heard striped bass are an introduced species in Lake Winnipeg in Manitoba (I can't say for sure if this is true or not)  that is all I can think of but there are lots.  Maybe you can google it?

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