A sprawling study of spiders across northern Canada has turned up more than 100 species in provinces or territories where they had never before been recorded which provides a new benchmark for monitoring biodiversity across Canada’s northern expanses.

See the source article by following the link below:
A sprawling study of spiders across northern Canada has turned up more than 100 species in provinces or territories where they had never before been recorded which provides a new benchmark for monitoring biodiversity across Canada’s northern expanses.