Only one hatchling in 1,000 will survive to adulthood, but the ones that do can live over 80 years.
Here’s how to hunt in the shallowest of waters.
As the largest herbavores in the sea, dugons can eat an entire football field’s worth of sea grass in a single day.
Octopuses live and breathe underwater, but that doesn’t stop the Australian Abdopus from roaming on land, too.
See how ‘Blue Planet II’ cameramen used special slow-motion cameras to capture high-speed, bird-on-bird theft!