Ants, beetles and snails help scatter seeds too
Chen SC, Chen G, Chomicki G, Suetsugu K
Seed Saving
The ants and beetles crawling through your garden mulch might be carrying seeds in their gut to a new patch of soil, doing a tiny version of the job you usually credit to birds.
Everyone knows birds and mammals spread seeds by eating fruit and pooping them out somewhere new, a process called endozoochory. This review points out that tiny creatures like ants, beetles, snails and slugs do the same thing, and scientists have mostly ignored it. The authors say we should start studying and protecting these small dispersers, especially on islands and in patchy habitats where they might be one of the few ways plants can move around.
Key Findings
Invertebrates including arthropods and gastropods can disperse viable seeds through gut passage and defecation, not just external transport
The review adapts the established seed dispersal effectiveness framework, originally built for vertebrates, to invertebrate-mediated dispersal
Invertebrate endozoochory appears especially important in insular and fragmented ecosystems where vertebrate dispersers may be scarce
chevron_right Technical Summary
Bugs and slugs quietly help plants spread their seeds too, not just birds and mammals. This review argues that ants, beetles, snails, and other invertebrates eating and pooping out seeds is a real, overlooked driver of where new plants sprout, especially on islands and in fragmented habitats.
Abstract Preview
Original paper
Invertebrate endozoochory: An overlooked pathway of seed dispersal.
Seed dispersal is a key process in plant regeneration and persistence. While vertebrates such as birds and mammals are widely recognised as endozoochores, a growing body of evidence reveals that in...
open_in_new Read full abstractAbstract copyright held by the original publisher.
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