All the animals featured on the lists have long evolutionary histories and biological features that aren’t found outside of Canada, meaning that they are fundamental to the Canadian Tree of Life.

Mooers. Evolutionary isolation of Canadian terrestrial vertebrate species. The Canadian Field-Naturalist, 2024; 137 (4): 367 DOI: 10.22621/cfn.v137i4.2673 ...

Animals Canadian researchers seek paths for animals to migrate in response to climate change July 19, 20225:00 AM ET By Emma Jacobs ...

The Canadian fossils represent this latter kind, called a horny sponge. “It is the relict structure of the 3-D meshwork spongin skeleton that is preserved and that is so distinctive,” Turner said.

A geologist has discovered rocks in Canada that may contain sponge fossils dating back 890 million years — perhaps the earliest fossil record of animal life on Earth.