The spring migration northwards into Canada is accomplished by the progressive advancement of individuals of successive generations. The legendary fall migration southwards is undertaken by adults of the final summer brood. Monarchs born W of the Rockies overwinter in California; those from central and eastern N America in central Mexico. After 40 years of research, the first Mexican wintering site was discovered in 1974 by Frederick Urquhart of U of T.
Author BERNARD S. JACKSON
Links to Other Sites
Monarca: butterfly beyond boundaries
Find out about the Monarch butterfly exhibit produced by the Canadian Museum of Nature.
Canadian Biodiversity Website
A great information source for all budding biologists. Learn about biodiversity theory, natural history, and conservation issues. From McGill’s Redpath Museum.
Butterflies North and South
Learn about the natural history of Canadian butterfly species and planting butterfly gardens at this extensive Virtual Museum of Canada website.
Hinterland Who's Who
Check out the extensive "Hinterland Who's Who" website for illustrated "Species Fact Sheets" about mammals, birds, reptiles, amphibians, and insects found in Canada. Also covers related conservation and biodiversity issues and includes related multimedia and educational resources. From the Canadian Wildlife Service and the Canadian Wildlife Federation.
An extensively illustrated guide to wildlife species found in British Columbia. Covers bats, birds, beetles, bugs and much more. Also features an insect glossary and notes about invasive species. A biogeographic initiative of the Lab for Advanced Spatial Analysis, Department of Geography, UBC.
The Canadian National Collection of Insects, Arachnids and Nematodes
This website provides information about the scope and contents of the Canadian National Collection of Insects, Arachnids and Nematodes. Check the “Index” link for illustrated descriptions of various taxonomic groups.
Monarch butterflies not feeling the love
A news story about the impact of seasonal temperatures on Monarch butterfly populations. From thestar.com.
University of Alberta's E.H. Strickland Entomological Museum
Check out images and information about insect specimens found in the University of Alberta's E.H. Strickland Entomological Museum, one of the most significant insect collections in Canada.
Aquatic Invertebrates of Alberta Online Textbook
An online guide to all major groups of Alberta's aquatic invertebrates. Offers illustrated details of the natural history of each group as well as tips on collecting and preserving specimens. A University of Alberta website.
Toronto Entomologists' Association
This site features an illustrated online guide to the insects of Ontario and an Ontario Butterfly Atlas.