A calving iceberg exposed a region that never before had been seen by human eyes, revealing a vibrant, thriving ecosystem ...

Look at it go! Whatever the shape the animals are - big or small, round or flat, fins or flippers - they're all at home under water. Take a trip under the sea and learn about turtles, octopuses ...

These delicate, round sea creatures are a favorite find for many, whether discovered alive in the shallow surf or as smooth, bleached skeletons known as ‘tests’ scattered in the sand.

However, there are many other forms of animal migration, including journeys between east and west, complex round-trips involving land and ocean, altitudinal journeys up and down mountains ...