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Biology

Marine mammals undergo hearing tests at Australia Zoo for noise impact study

1d ago

Scientists trained sea lions and seals to respond to hearing tests, aiming to understand how human-made noise affects their hearing. The study is ongoing and has not yet drawn definitive conclusions.

Why it matters

The research could help assess the impact of underwater noise on marine mammals, though the findings are preliminary and require further study.

Key facts
study
how the marine mammals are affected by human-made noise

Taken from the source as published — check the details before acting on them.

Training methods used

Researchers used positive reinforcement to train the animals to respond to sounds during the tests, ensuring their cooperation without stress.

Scope of the study

The experiment involved a small number of animals and is part of a broader effort to understand marine mammal hearing in noisy environments.

Common questions

What is the purpose of testing marine mammals' hearing?

The tests aim to understand how human-made noise, such as from shipping or drilling, may affect the hearing of sea lions and seals.

Sources

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