A square-mouthed garden spade is "a lot more versatile than a shovel," explains Cullen. "The reason it's my number one [tool] is that you can do everything with a spade that you could do with a shovel ...

At 17 inches or less, the Tucson shovel-nosed snake may be small, but it makes the most out of its size. Living in the sandy soils found on valley floors in the upper Sonoran Desert, the snake has ...