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The coconut crab can take a coconut from the ground and cut it to a husk nut, take it with its claw, climb up a tree 10 m (33 ft) high and drop the husk nut, to access the coconut flesh inside. [51] They often descend from the trees by falling, and can survive a fall of at least 4.5 m (15 ft) unhurt. [ 52 ]
A major global analysis examined the extinction threat to 23,496 freshwater species of fish, dragonflies, damselflies, crabs ... (35%) have been lost between 1970 and 2015, a rate three times ...
The Seychelles are home to 26 species of terrestrial or semi-terrestrial crabs, and 5 species of terrestrial hermit crab, including the world's largest terrestrial invertebrate, the coconut crab (Birgus latro). The granitic Seychelles are home to the country's only true freshwater crab, Seychellum alluaudi, which is endemic to the archipelago. [4]
The coconut crab is the largest terrestrial hermit crab of Okinawa and the Ryukyu Islands. [42] It is an endangered species due to over-hunting, which has made them scarce on Okinawa island. [42] In 2021, coconut crabs were found to live in a small cave system on the islet Nagashima off the Henoko district. [43]
This is much faster than the expected “background” extinction rate, or the rate at which species would naturally die off without outside influence — in the absence of human beings, these 73 ...
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A coconut crab, an example of ... continental and insular lizards produced offspring at a comparable rate. ... This ultimately resulted in the dodo's extinction.
Female coenobitids return to the sea to hatch their eggs and their larvae develop through planktonic zoeal stages to a megalopa, in a similar way as the marine hermit crabs. Just like these species, after settlement, terrestrial hermit crabs megalopae recognize and co-opt gastropods shells, before migrating into the land and molting to the ...