A group of researchers has discovered a particular behavior in goliath frogs that they define as the “first example of a construction of a nest in an African amphibian.”
According to the researchers, who published their work in the Journal of Natural History, these frogs can build real little ponds for their little ones, environments that they then guard and care for.
To “build” these ponds they manage to move rocks weighing up to one pound, a good effort even considering that they are huge frogs that can weigh up to 5 pounds and can reach a length of 34 cm. They create these small ponds at the edges of the rivers using the flow of the latter. By blocking the flow of water, they create a sort of safe haven from the numerous predators that can live in such an aquatic environment.
The very fact that they move such large rocks to block the flow of water would also explain the gigantism that developed during their evolution, as explained by Marvin Schäfer of the Natural History Museum in Berlin, one of the authors of the study.
The researchers noted this behavior in various specimens on the Mpoula River in Cameroon.
Initially they wanted to know more about the reproduction of this particular species of frog but then discovered strange small pools of water created thanks to the accumulation of large stones as well as other elements such as leaves and gravel that were meant to be said for real “nests” that parents created for their children.
They also discovered that the frogs themselves could also spend all night to protect these sites from predators by ending their wake only at dawn.
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