Did you know that Ontario has nine species of crayfish? Elusive and all too often overlooked, these fascinating creatures can tell us a lot about what is happening in our aquatic ecosystems. These beautiful guides assist the study of crayfish in the field, highlighting the unique characteristics of each species.
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Tag: invertebrates
Spider Guide
Spiders live among us in almost every conceivable habitat. More than 800 species of spiders in Ontario, very few of which are dangerous to people. Yet almost a third of Canadians are afraid of spiders. Learning about these creatures helps mitigate that fear. Spiders play a key role in the food web and are an important food source for other animals including songbirds, fish and salamanders.