Description
Dive into the fascinating world of whales. Did you know that, when underwater, the heart of a blue whale can slow down to as little as two beats per minute? Or that a narwhal’s famous unicorn-like horn is actually a long canine tooth? Readers will also discover how these magnificent creatures play a vital role in keeping our oceans healthy.
From their enormous size to their complex behaviors, learn how these gentle giants live and thrive, and discover why they need our help now more than ever.