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Search resuls for: "Annie Roth"


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A few years ago, Nicolas Fasel, a biologist at the University of Lausanne in Switzerland, and his colleagues developed a fascination with the penises of serotine bats, a species found in woodlands and the attics of old buildings across Europe and Asia. Serotine bats sport abnormally long penises with wide, heart-shaped heads. When erect, the members are around seven times longer than the female’s vagina, and their bulbous heads are seven times wider than the female’s vaginal opening. What they discovered has overturned an assumption about mammalian reproduction, namely that procreation must always involve penetration. In a study, published Monday in the journal Current Biology, Dr. Fassel and his colleagues presented evidence that serotine bats mate without penetration, making them the first mammals known to do so.
Persons: Nicolas Fasel, , Fasel, Fassel, Organizations: University of Lausanne Locations: Switzerland, Europe, Asia
For nearly two decades, the Carbrook Golf Club near Brisbane, Australia, had the ultimate water hazard: a lake teeming with bull sharks. It all started in 1996 when raging floods swept six young bull sharks from a nearby river into a 51-acre lake near the golf course’s 14th hole. When the floodwaters receded, the sharks found themselves stuck, surrounded by grassy hills and curious golfers. The sharks, according to a new study, are more than just a fluke along the fairway. In research published last month in the journal Marine and Fisheries Science, Peter Gausmann, a shark scientist and lecturer at Ruhr University Bochum in Germany, said that the cartilaginous club members of Carbrook bull sharks demonstrate that bull sharks can live indefinitely in low-salinity aquatic environments.
Persons: Peter Gausmann Organizations: Marine, Fisheries Science, Ruhr University Bochum Locations: Brisbane, Australia, Germany
For the past few summers, numerous surfers in Santa Cruz, Calif., have been victims of a crime at sea: boardjacking. The culprit is a female sea otter, who accosts the wave riders, seizing and even damaging their surfboards in the process. After a weekend in which the otter’s behavior seemed to grow more aggressive, wildlife officials in the area said on Monday they have decided to put a stop to these acts of otter larceny. Local officials call the animal Otter 841. The 5-year-old female is well known, for both her bold behavior and her ability to hang 10.
Persons: , Organizations: Monterey Bay Aquarium, California Department of Fish, Wildlife Locations: Santa Cruz , Calif, Monterey
Birds With a Taste for Flesh Threaten Whale Calves
  + stars: | 2023-06-06 | by ( Annie Roth | ) www.nytimes.com   time to read: +1 min
Thousands of colossal southern right whales travel to the calm waters of Península Valdés off the coast of Argentina each year to breed and give birth. The cetaceans, which can reach 56 feet in length, are a sight to behold, especially with their calves in tow. For the past 50 years, the kelp gulls of Peninsula Valdés have been mercilessly pecking at any southern right whale that dares to swim to the surface to breathe. The birds gorge on skin and blubber ripped from the whales’ backs. Over the past few decades the problem has escalated, and is now so severe that it’s causing young southern right whale calves to die prematurely, according to a study published Wednesday in the journal Biology Letters.
Persons: Península Valdés, , , Macarena Agrelo Organizations: Federal University of Santa Locations: Península, Argentina, Federal University of Santa Catarina, Brazil
Elephant Seals Take Power Naps During Deep Ocean Dives
  + stars: | 2023-04-20 | by ( Annie Roth | ) www.nytimes.com   time to read: +1 min
Northern elephant seals are also able to sustain themselves on about two hours’ sleep, according to a study published Thursday in the journal Science. The study’s authors believe that sleeping in the deep allows the seals to power-nap without being eaten by prowling predators. Northern elephant seals, which are found along the West Coast, are champion divers that can descend to depths of 2,500 feet and stay under for about two hours. To maintain their blubbery bulk, Northern elephant seals must spend around seven months at sea each year, gorging on fish and squid. However, elephant seals sleep like us, shutting down their brains completely.
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