Two tree-snail species change color in the rain to blend with wet bark (left). Water enters microscopic shell pores to reveal a dark layer underneath (right) — a power-free trick inspiring future ...
Snail shells are often colorful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...
How does a stripy tree snail hide from hungry birds? The Hypselostyla camelopardalis from the Philippines and Reinia variegata from Japan have both evolved a form of dynamic camouflage to survive.
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