Strange journey of red crab
Journey to the sea of tens of millions of red crabs on Australia's Christmas Island is one of the mysteries for humans.
When the rainy season comes (around October and November), the red crab Christmas island on Indian Ocean marches off to the coast to breed with the number of up to 65 million.
(Photo: Bangor University, UK).
Two children on Chrismas Island watch red crabs on the road. Their operation disturbed the daily life of the islanders, but they were accustomed to the spectacle of thousands of crawling crabs on the road. (Photo: Photolibrary).
As soon as they reached the coast, the male crabs dug into the cave to hide. The female finds the cave to mate with male crabs and then crawls straight to the sea. Eggs hatch almost immediately after contact with water. (Photo: Photolibrary).
The crabs grew up in the grasslands on the coast and then migrated to the mainland to continue their life like their parents. (Photo: National Geographic).
Feces of crabs are a very good fertilizer, and their caves help the soil absorb more air. (Photo: Bangor University, UK).
Of the 14 crab species on Christmas Island, the red crab is the most recognizable species. They dig burrows everywhere - on the coast, in the rainforest or even the people's gardens. In the dry season crabs cover the entrance to the cave to keep the cave wet. They then disappeared from the cave in about two to three months. (Photo: Photolibrary).
The great migration of red crab attracts many tourists to Christmas Island. Christmas Island National Park advises visitors to arrive at the end of the full moon in October or November to have the opportunity to observe the most magnificent scenes of migration. (Photo: National Geographic).
Human infrastructure is the biggest obstacle to crabs. Christmas Island officials built plastic barriers or built walls along the tracks so that crabs could not enter. (Photo: National Geographic).
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