An adventurous walrus and his penguin friend escape from the zoo and don a number of different disguises in order to avoid being caught by the zookeeper.
"When the city is hit by a colossal snowstorm, only one superhero can save the day. But who is this mysterious hero, and why does he disappear once his job is done?"--Provided by publisher.
Introduces the evolution and life cycles of whales, dolphins, and porpoises, and looks at the actions being taken by governments and conservation agencies to protect them.
