Researchers have used artificial intelligence (AI) to map the movements of two endangered species of dolphin in the Amazon River by training a neural network to recognize the animals’ unique clicks and whistles
, could lead to better conservation strategies by helping researchers to build an accurate picture of the dolphins’ movements across a vast area of rainforest that becomes submerged each year after the rainy season.
“Sound is probably the only sense that we know of that we all share on Earth,” says co-author Michel André, a bioacoustician at the Technical University of Catalonia in Barcelona, Spain. To distinguish the dolphin sounds from the noisy soundscape of the Amazon, they turned to AI, feeding the recordings into a deep-learning neural network capable of categorizing sounds in real time, “exactly as we do with our own brain”, says André.
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