Surfing Tags / Marine Animals

Mysterious lives of narwhals

Arctic marine mammals are really good indicators of climate change because they are very specialized. They are finely attuned to specific environmental conditions, thus are good indicator species for how the physical changes many scientists are documenting in the Arctic can reverberate throughout the ecosystem.

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Polar bears could become extinct faster than was feared, study says

Polar bears could be sliding towards extinction faster than previously feared, with the animals facing an increasing struggle to find enough food to survive as climate change steadily transforms their environment.

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Whale and shark species at increasing risk from microplastic pollution – study

Whales, some sharks and other marine species such as rays are increasingly at risk from microplastics in the oceans, a new study published in the journal Trends in Ecology and Evolution, suggests.

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California sea lion population rebounded to new highs

California sea lions have fully rebounded under the protection of the Marine Mammal Protection Act, with their population on the West Coast reaching carrying capacity in 2008 before unusually warm ocean conditions reduced their numbers, according to the first comprehensive population assessment of the species.

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Drones confirm importance of Costa Rican waters for sea turtles

A new drone-enabled population survey – the first ever on sea turtles – shows that larger-than-anticipated numbers of turtles aggregate in waters off Costa Rica’s Ostional National Wildlife Refuge, making it one of the most important nesting beaches in the world. Scientists estimate turtle densities may reach up to 2,086 animals per square kilometer.

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Rising temperatures turning major sea turtle population female

Scientists have used a new research approach to show that warming temperatures are turning one of the world’s largest sea turtle colonies almost entirely female, running the risk that the colony cannot sustain itself in coming decades, newly published research concludes.

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Already on Brink, Right Whales Are Pushed Closer to the Edge

North Atlantic right whales are one of the world’s most critically endangered large whales. For a few decades, the math for North Atlantic right whales seemed to be working out, and the whales appeared to be experiencing a tentative recovery. But beginning in 2010, the tiny gains in their numbers began eroding.

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Marine turtles dying after becoming entangled in plastic rubbish

Hundreds of marine turtles die every year after becoming entangled in rubbish in the oceans and on beaches, including plastic ‘six pack’ holders and discarded fishing gear.

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Can Data Save Dolphins? How Scientists Are Using NASA Data to Study Link Between Solar Storms and Animal Beachings

The age-old mystery of why otherwise healthy dolphins, whales and porpoises get stranded along coasts worldwide deepens: New research suggests space weather is not the primary cause of animal beachings — but the research continues. The collaboration is now seeking others to join their search for the factors that send ocean mammals off course, in the hopes of perhaps one day predicting strandings before they happen.

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