The astonishing annual crab migration on Australia’s Christmas Island

“Find the beach, Mate!”

Crab radar … still interesting

The Astonishing Annual Red Crab Migration.
Each year millions of bright red land crabs leave their
burrow homes on Australia ‘s Christmas Island
and start a long, laborious trek toward the sea.
They descend cliffs, climb banks and maneuver around
obstacles to reach the shoreline
 and lay their eggs, eventually returning to
 the island’s central plateau with their offspring in tow.
The synchronized migration resembles
a crimson-colored river undulating across the
 island and can last up to 18 days.
The event typically takes place in November or December
 (the crabs will only move when it’s raining)
and coincides with the turning of high tide
and the arrival of the waning moon.   


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