Complex sentence: The Blue Racer has been on Ontario's Endangered Species List since 1971 consequently, habitat determined to be critical to the snake's persistence is protected (from destruction or significant alteration) under Ontario's Endangered Species Act (ESA).
Split into simpler sentences: The blue racer has been on Ontario's Endangered Species List since 1971. Consequently, habitat determined to be critical to the snake's persistence is protected (from destruction or significant alteration) under Ontario's Endangered Species Act (ESA).