Viewing advice
The march is triggered by the first wet-season rain and timed to a lunar phase, so exact dates vary.
The best time to see Christmas Island Red Crab Migration in 2026 is November to December 2026. Timing status: Season.
When the wet season arrives, Christmas Island's red crabs leave the rainforest en masse and stream to the coast to breed, timed to the moon. It is one of the planet's great mass-movement spectacles.
Where to see it
These are the spots that catch it best. Tap one to see what's worth a trip nearby.
Cosmic events during this window
Cosmic events that peak while this season is on, so one trip could catch both. Meteor showers show the moon, since a dark sky is what makes them.
Related natural events
More moments to explore.
Frequently asked questions
When is Christmas Island Red Crab Migration 2026?
Christmas Island Red Crab Migration 2026: November to December 2026.