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As restoration managers repair damaged corals, sound recordings can help jumpstart the process of restoring vibrant – and noisy – coral reef ecosystems. CC by 2.0

A healthy coral reef is a noisy place.

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Viruses, pollution and warming ocean temperatures have plagued corals in recent years. The onslaught of abuse has caused mass bleaching events and threatened the long-term survival of many ocean species. While corals have little chance of surviving through a mass bleaching, a new study found that when corals turn a vibrant neon color, it's in a last-ditch effort to survive, as CBS News reported.

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A rescued coral from Key West settles in for a feeding at an intermediate holding facility before being shipped to a long-term aquarium. Tiffany Duong / Ocean Rebels

Six years ago, during a global coral bleaching event and after the Port of Miami was dredged, endangered corals on Florida's coral reef began rapidly wasting away and dying. Their "mystery killer," whose exact pathogen still remains unidentified, is referred to as the "Stony Coral Tissue Loss Disease" (SCTLD).

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Australia's Reef Restoration and Adaptation Program will further investigate 43 potential fixes for the Great Barrier Reef in a wide-scale rescue effort. Australian Institute of Marine Science

The Great Barrier Reef is in trouble. The Australian government is trying to buy its crown jewel some time, but is it willing to support what the reef needs most — a reduction in emissions?

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The Great Barrier Reef, where record-high sea temperatures in February caused its most widespread coral bleaching event. JAYNE JENKINS / CORAL REEF IMAGE BANK

Tropical coral reefs are at a critical tipping point, and we've pushed them there, scientists say. Climate change may now cause previously rare, devastating coral bleaching events to occur in tropical coral reefs around the globe on a 'near-annual' basis, reported The Guardian.

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Branching staghorn coral, acropora, is completely bleached during the 2017 coral bleaching event on the Great Barrier Reef. Picture was taken on Pixie Reef. Brett Monroe Garner / Moment / Getty Images

The Great Barrier Reef, a natural wonder that once teemed with life, just experienced a major coral bleaching event, according to scientists who conducted aerial surveys over hundreds of individual reefs, as The Guardian reported.

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Dominican Republic: Tourism killing coral reefs | Global Ideas

An estimated 90% of the Dominican Republic's coral reefs have been destroyed, creating a knock-on effect for the entire coastal ecosystem. Local businesses and conservationists are now working to reverse this damage.

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Coral reefs around the world are struggling. Signs of stony coral tissue loss disease on symmetrical brain coral (Pseudodiploria strigosa). Florida Department of Environmental Protection

Stony corals provide habitat for an eye-popping one-fourth of the ocean's species. They serve as the centerpiece of a rich and diverse ecosystem, which is why their recent behavior has scientists concerned. New research shows that stony corals around the world are hunkering down into survival mode as they prepare for a mass extinction event, according to a new study published in Scientific Reports.

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An ovenbird (Seiurus aurocapillus), one of the target species of a broadcast which hopes to attract various species. Grayson Smith / USFWS

By Lorraine Boissoneault

It's a quiet May morning on the Hawaiian island of Kauai. We're high on a cliff inside the fences of the Nihoku Ecosystem Restoration Project, with only the sound of the wind rushing past our ears and the crash of waves breaking on the shoreline far beneath. Only the slightest hints of animal cries reach our ears — until ecologist Lindsay Young turns on a loudspeaker. Then the air fills with the breathy squawks and raucous chirps of seabirds.

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Half half bleached coral, great barrier reef. JAYNE JENKINS / CORAL REEF IMAGE BANK

Australian wildlife cannot catch a break.

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