How Poison Frogs Evolved to Carry Tadpoles on Their Backs

Poison frogs lay their eggs on land, but their young are aquatic, so they must be carried to water when they hatch. In these species, parenting is like a delivery service. The tadpoles cling onto their parent's back, and the little frogs travel far and wide in search of the best places to drop their young. It is a demanding job, but how did tadpole transport evolve?

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References:
Ringler E, et al Adopt, ignore, or kill? Male poison frogs adjust parental decisions according to their territorial status. Sci Rep 2017;7:43544.
Furness AI & Capellini I. The evolution of parental care diversity in amphibians. Nat Comms 2019;10:4709.
Juan D. Carvajal-Castro JD, et al. Aposematism facilitates the diversification of parental care strategies in poison frogs. Sci Rep 2021;11:19047.
Pašukonis A, et al. How far do tadpoles travel in the rainforest?: Parent-assisted dispersal in poison frogs. Evol Ecol 2019;33:613–623.

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#frog #tadpole #poisonfrog

[cohorspraetoria]

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[ill]

“Fatherly duties” jumps out of frame while a tadpole is left behind 🤣

[Kippycube]

Such lovely footage! Me and my husband keep dart frogs.

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[joeybulford]

It’s amazing how the tadpoles just know to climb on the frog’s back.

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[footfault]

Brilliant! Perhaps, this would be the best video on this prohibitively complicated topic. Honestly, the answer is not found here, but it's so inspiring that many hints are offered.
Generally, the search of evolutionary origins is highly challenging. Particularly this subject is a daunting task. Terrestrial reproductive behavior, parental care, not only one, but several tadpoles on the back & transportation, avoiding nearby, ordinary water body to name a few, are suggestive. Also, a list of reference is a nice advice. Well done!

[redmoneylady]

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