Animal Science is a gentle non-fiction nature picture book series for age 5+ that uses innate animal behaviour to simply explain key science topics.
Check out: Beavers' New Home: A Science Story about Forces, Swallow's Long Flight: A Science Story about Migration, Narwhal's Tusk: A Science Story about Changing States, Bat's First Hunt: A Science Story about Sound, Squirrel's Garden: A Science Story about Plants.