“For a fossil site to preserve the soft tissues of animals is quite rare in the fossil record,” said Keith, who is also a geologist. Todd Keith, a Parks Canada planner for Lake Louise, Yoho and Kootenay who oversees the site, said the Burgess Shale is one of the most important and unique fossil sites in the world, preserving diverse and mainly soft-bodied organisms from the Middle Cambrian period in “exquisite form.” Long before dinosaurs roamed the planet, a shallow sea covered what is now Yoho and Kootenay national parks 508 million years ago, and the fossils that are found there now are famous for how well-preserved they are, showing intricate details such as eyeballs, brains and more. In neighbouring Yoho and Kootenay national parks, the Burgess Shale, which provides a crucial record of one the earliest marine ecosystems, has been named in the first top 100 list of geological heritage sites in the world. BANFF – Special places in Banff, Yoho and Kootenay national parks are being recognized globally for the crucial insight they provide into the natural and geological world from thousands to millions of years ago.īanff’s Castleguard Cave – Canada’s longest known cave system – has become one of the first sites in Alberta to be recognized as an internationally significant Key Biodiversity Area (KBA), largely because of a transparent creature found nowhere else in the world that looks a bit like a minuscule shrimp.

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