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Henrysek

08 Apr 2025 - 03:30 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Claudelek

08 Apr 2025 - 02:57 am

Narwhals may be using their tusks to play, new study finds
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Scientists say they have the first recorded video evidence of narwhals using tusks not only to strike and manipulate fish during feeding but also engage in what appears to be playful behavior, according to the latest research.

The narwhal, often referred to as the “unicorn of the sea” in a nod to its trademark tusk, has long remained an enigma. Scientists have observed few interactions of narwhals in their natural habitat, creating speculation about the purpose of the species’ distinctive spiraling tusk.
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Found predominantly in males, the tusk grows up to 10 feet (3 meters) long — and previous research has suggested it serves as a competitive display to secure mates. But now, with the help of drones, research conducted in the Canadian High Arctic has uncovered that a narwhal may use its tusk for more than just courtship.

In total, the researchers newly identified and described 17 distinct behaviors of narwhals involving prey. The findings revealed a wide range of interactions and dynamics between narwhals and fish as well as the extraordinary agility, precision and speed of their tusks to track moving targets, according to the study published February 27 in the journal Frontiers in Marine Science.

“Seeing that these animals are not actually hunting the fish but exploring, manipulating and interacting with it was really a game changer,” said lead author Dr. Gregory O’Corry-Crowe, a research professor in the Harbor Branch Oceanographic Institute at Florida Atlantic University.

Since so little is understood about this whale species, researchers like O’Corry-Crowe and his colleagues are working diligently to conduct studies to document narwhals’ unknown behaviors to better understand how these animals adapt in a rapidly shifting habitat as oceans warm and sea ice melts.
Narwhal exploratory behavior
The study team captured the groundbreaking footage using drones in Creswell Bay, on the eastern side of Somerset Island in Canada’s Nunavut territory, during the summer of 2022.

As the researchers analyzed the footage, they noticed subtle nuances in the narwhals’ behavior. Footage even captured one instance of a narwhal interacting with a fish by repeatedly nudging it with its tusk — which is actually a giant tooth — without attempting to eat it.

When researchers observed a lack of aggression in some interactions between narwhals and fish, they realized these scenarios were more similar to a cat-and-mouse game, in which the animals were chasing or “playing” rather than hunting, O’Corry-Crowe said.

Billyneons

08 Apr 2025 - 02:53 am

Americans nearing retirement and recent retirees said they were anxious and frustrated following a second day of market turmoil that hit their 401(k)s after President Donald Trump’s escalation of tariffs.

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As the impending tariffs shook the global economy Friday, people who were planning on their retirement accounts to carry them through their golden years said the economic chaos was hitting too close to home.

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Some said they are pausing big-ticket purchases and reconsidering home renovations, while others said they fear their quality of life will be adversely affected by all the turmoil.

“I’m just kind of stunned, and with so much money in the market, we just sort of have to hope we have enough time to recover,” said Paula, 68, a former occupational health professional in New Jersey who retired three years ago.

Paula, who spoke on the condition of anonymity because she feared retaliation for speaking out against Trump administration policies, said she was worried about what lies ahead.
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“What we’ve been doing is trying to enjoy the time that we have, but you want to be able to make it last,” Paula said Friday. “I have no confidence here.”

Trump fulfilled his campaign promise this week to unleash sweeping tariffs, including on the United States’ largest trading partners, in a move that has sparked fears of a global trade war. The decision sent the stock market spinning. On Friday afternoon, the broad-based S&P 500 closed down 6%, the tech-heavy Nasdaq dropped 5.8%, and the Dow Jones Industrial Average fell more than 2,200 points, or about 5.5%.

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08 Apr 2025 - 12:30 am

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07 Apr 2025 - 10:45 pm

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07 Apr 2025 - 10:44 pm

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07 Apr 2025 - 05:51 pm

An Ultimate Handbook to Snorkeling in Fort Lauderdale and LBTS

Snorkeling in Ft. Lauderdale and LBTS is a must-try activity for locals and visitors alike. With warm, crystal-clear waters, colorful marine life, and some of the most breathtaking shore snorkeling in Florida, this area provides a one-of-a-kind opportunity to explore the subaquatic world. Whether you're a beginner or an experienced snorkeler, understanding the best methods, locations, and equipment can elevate your experience. In this guide, we’ll cover everything you need to know about snorkeling in Fort Lauderdale and LBTS so you can dive in with confidence.

Why Snorkeling in Ft. Lauderdale and Lauderdale-by-the-Sea is a Must-Do

Unlike deep-sea diving, snorkeling requires very little gear and preparation, making it an easy and cost-effective way to experience Florida’s beautiful ocean waters. The coral formations off the coast of Ft. Lauderdale and Lauderdale-by-the-Sea are teeming with marine species, sea turtles, and coral formations, offering an unforgettable encounter. Plus, with year-round mild temperatures and great visibility, South Florida is a highly-rated snorkeling location.

Essential Snorkeling Gear

Before venturing out on your snorkeling adventure, having the right gear is key. Here’s what you need:

Mask: A properly fitted mask provides clear vision beneath the surface. Choose fog-resistant lenses for the clearest experience.

Snorkel: A dry snorkel prevents water from getting in, making breathing more comfortable.

Fins: Fins help you to move effortlessly through the water, reducing fatigue.

Wetsuit or Rash Guard: Since Florida waters are mild most of the year, a rash guard is often sufficient for protection against the sun and marine irritants.

Top Snorkeling Spots in Ft. Lauderdale and LBTS

If you’re looking for the most scenic snorkeling spots in this region, these must be on your list:

LBTS Reef – One of Florida’s top-rated shore snorkeling sites, located just off the beach. Paddle out a few hundred feet to discover the reef teeming with tropical fish, lobsters, and even the rare sea turtle.

Anglin’s Pier Reef – A popular spot for viewing stingrays, parrotfish, and barracudas near the Anglin’s Fishing Pier.

The Nursery Reef – A ideal offshore snorkeling area where you can observe juvenile fish and small reef sharks.

Vista Park Reef – Located in Fort Lauderdale, this reef is accessible by a short swim from shore and is home to a variety of marine life.

Hollywood North Beach Park – A beautiful beach with convenient snorkeling access and a rich ecosystem just offshore.

Tips for a Safe and Enjoyable Snorkeling Experience

Practice in shallow waters first to get acclimated with your gear.

Use defogging techniques like applying baby shampoo or anti-fog spray on your mask.

Float and relax to conserve energy and prevent panicking.

Respect marine life by not touching corals or harassing wildlife.

Check weather conditions to ensure safe snorkeling conditions with calm waters.

Use a dive flag when snorkeling offshore to alert nearby boaters to your presence.

The Health Benefits of Snorkeling

Snorkeling in South Florida isn’t just fun; it also offers several health benefits:

Improves cardiovascular health by boosting heart and lung function.

Strengthens muscles in the legs, core, and arms due to natural resistance training.

Reduces stress by immersing you in a tranquil, natural environment.

Wrapping Up

Snorkeling in Fort Lauderdale and Lauderdale-by-the-Sea is an exciting way to immerse yourself in the grandeur of the ocean, whether you're touring South Florida or call this place home. With direct access to stunning reefs and abundant marine life, it's a must-try activity for outdoor enthusiasts and explorers. By bringing the right gear, choosing highly recommended snorkeling spots, and following crucial safety tips, you can make the most of your underwater explorations. So, grab your snorkel gear and get ready to embrace an once-in-a-lifetime experience right off the shores of Fort Lauderdale!thrilling way to explore the beauty of the ocean, whether you're vacationing in South Florida or are a local. With convenient entry to stunning reefs and diverse marine life, it's a ideal activity for nature lovers and thrill-seekers. By bringing the right gear, choosing must-visit snorkeling destinations, and following key safety tips, you can make the most of your underwater adventures. So, grab your snorkel gear and get ready to immerse yourself in an unforgettable experience right off the shores of Fort Lauderdale!


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