"Roadway overpasses in Canada's Banff National Park allow bears and deer to safely cross roads. Readers also discover fish ladders and 'salmon cannons' in the U.S. Pacific Northwest, rope swings for monkeys in China, and colorful crab bridges in Australia"--
007-010.|||720L Lexile|||juvenile
by Joanne Mattern.
Includes index and suggested resources for further reading.