Published 22 days ago

Frogs are screaming - we just can't hear them, scientists in Brazil discover

Frogs in the Brazilian Atlantic Rainforest emit sounds on the ultrasound spectrum to defend against predators.
The leaf litter frog raises its body, opens its mouth, and jerks its head while emitting a distress call.
The study documented the first case of defensive ultrasound being used by amphibians.

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Hindustan Times

First case of ultrasonic 'distress call' by Brazilian frog species documented in new study

24 days ago·New Delhi, India

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Sky News UK

Frogs are screaming - we just can't hear them, scientists in Brazil discover

Scientists have recorded the first documented case of "defensive ultrasound" being used by amphibians.

22 days ago·United Kingdom

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PerthNow

Frogs are screaming but humans can't hear

Frogs scream at an ear-splitting volume to ward off predators but the sounds are inaudible to humans

21 days ago·Perth, Australia

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Eurek Alert

Amphibians use scream inaudible to humans for self-defense against predators, study suggests

For the first time in South America, researchers recorded the use of ultrasound by a frog endemic to the Atlantic Rainforest in Brazil, which has more species of amphibians than any other country. Other frogs may use very high-frequency calls for the same purpose.

22 days ago·Washington, United States

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Jerusalem Post

New discovery: frog's ultrasonic defense call recorded in south America

Researchers in South America have recorded the use of ultrasound by a frog for defense against predators, a first in the region, shedding light on amphibian behavior.

22 days ago·Jerusalem, Israel

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