During migration, birds' digestive system partially shuts down to conserve energy for flight.
Sockeye salmon are sensitive to Earth's magnetic pull. Scientists discovered that salmon use a trick called "geomagnetic imprinting" to find their way home.
Can you imagine traveling 22,000 miles without a map? The Arctic Tern's migration is one of the longest migrations in the animal kingdom.
A female godwit has logged the longest non-stop bird flight ever recorded. Learn more on this Moment of Science.
As you probably already know, when climate changes, life changes with it. But recent alterations in the Earth's climate could have very damaging consequences.
Scientists try to crack the mystery of dragonfly migrations.
You probably haven't heard of the Sooty Shearwater. This creature can travel 40,000 miles in just 200 days, which is the longest migration we have on record.
If you thought birds were amazing before, wait until you hear what they put their bodies through in order to migrate.
This means that instead of staying in one place, the cancer cells migrate from their original site to other parts of the body.
Do lemmings really follow each other off a cliff to their death? No, but there are mysteries surrounding the rodents. Over the years, there have been many tales of these Arctic rodents voluntarily jumping off cliffs and plummeting into the sea.