Visual of Canada's "Pocket Desert". Night shots; CUs of tiger salamander emerging from mud, moving on sandy ground and through grass (4:58). CSs, CUs of spade foot toad on sand, it digs in, CS of raindrops falling onto sand (3:14). CSs, CUs of rattlesnake stalking mouse in grass and bushes, good shots of its probing tongue, it strikes out at mouse behind bush (mouse not visible), shot of mouse agonising near snake, shots of snake swallowing mouse (10:27).