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Brazilian Cactus Uses Sound to Attract Pollinating Bats

4/15/2026

50 8 Full Breakdown

Summary

Story summary

In eastern Brazil, the cactus Coleocephalocereus goebelianus attracts bats for pollination by using a cephalium that concentrates high-frequency echolocation calls.
The cephalium enhances the cactus's acoustic signals, which helps bats navigate and locate it.
Some pitcher plants reflect bats' calls with curved openings, allowing bats to locate them more easily.
Bats roost in these plants, fertilizing the surrounding environment.

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Story summary

In eastern Brazil, the cactus Coleocephalocereus goebelianus attracts bats for pollination by using a cephalium that concentrates high-frequency echolocation calls.
The cephalium enhances the cactus's acoustic signals, which helps bats navigate and locate it.
Some pitcher plants reflect bats' calls with curved openings, allowing bats to locate them more easily.
Bats roost in these plants, fertilizing the surrounding environment.