Tag Archives: Pups

Adorable Seal Pups Mimic Human Speech and Accents: Discover Their Unique Sounds!

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Recent studies reveal that seal pups produce more human-like sounds than previously believed, often taking turns “communicating” by adjusting their calls to match their neighboring pups. This fascinating behavior sheds light on the evolution of complex communication, including human language.

Harbor seals, also known simply as seals, are among the few animal species capable of learning and altering their vocalizations.

“They can learn to create new sounds or modify existing ones,” explains Dr. Cohen de Reus from Radboud University and Vrije Universiteit Bruxelles. His research is part of his Ph.D. dissertation, as noted by BBC Science Focus.

Every talkative harbor seal has its own distinct calls, which mothers utilize to locate their pups on busy beaches. This study examines how seals modify their calls based on social contexts.

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During testing, Jenny the seal’s responses were monitored as recordings of other pups were played.

Dr. de Reus found that the calls of pups sitting together became increasingly similar over time. “This phenomenon resembles regional accents in humans,” he stated. “Despite their visual similarities, each pup can be recognized individually, just as in humans.”

Additionally, akin to polite human conversation, the pups engage in turn-taking without overlapping in communication.

To conduct his research, Dr. de Reus analyzed thousands of hours of audio from numerous harbor seal pups at the Peterburen Seal Center in the Netherlands.

“After spending extensive time with the pups, I could identify at least half of their calls,” he shared.

This study aims to uncover the subtleties of communication shared across species and those unique to humans, potentially revealing the intricate history of human language development.

“Language is often regarded as a unique trait that sets us apart from other species, yet our findings indicate the existence of advanced communication systems in various animals,” Dr. de Reus continued. “Consider this research a foundational step for future comparisons.”

This seal was recorded at a rehabilitation center that cares for orphaned and injured seals until their release back into the wild – Credit: Getty

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Source: www.sciencefocus.com

Ancient Woolly Rhinoceros Genome Found in Frozen Wolf Pup’s Stomach Meat

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Woolly Rhinoceros - an ancient herbivore

Woolly Rhinoceros: Icon of the Last Ice Age

History Collection / Alamy

A recently reconstructed genome from a piece of flesh found in the stomach of a wolf pup, dated to 14,400 years ago, reveals that the woolly rhinoceros was genetically robust despite its close proximity to extinction.

While the exact cause of the young female wolf pup’s death, near present-day Tumato in northern Siberia, remains a mystery, it is believed she and her sister, referred to as Tumat puppies, had recently consumed woolly rhinoceros meat (Coelodonta antiquitatis). Their mother inadvertently caused their burial in permafrost when their burrow collapsed.

The first puppy was discovered on-site in 2011, with the second found in 2015. Examination of one puppy’s stomach contents revealed remnants of woolly rhino meat.

Edana Road, a member of the research team at Stockholm University, remarked that the preserved material resembled “fluffy jerky.”

“It was astonishing to see hair still intact,” Lord commented.

Lord stated that the preservation of the tissue was almost miraculous.

“It’s remarkable that, thousands of years later, we retrieved a beautifully preserved mummified wolf pup, analyzed its stomach contents, and uncovered this woolly rhinoceros tissue, shedding light on a previously different species,” Lord adds.

Tumat Wolf Pup: Evidence of Woolly Rhinoceros Diet

Mietje Germonpre

Lord’s team successfully reconstructed the woolly rhinoceros genome, identifying it as a female with no signs of inbreeding.

This groundbreaking finding is significant because it marks the first time DNA has been recovered from a woolly rhinoceros close to the time of its extinction.

The cause behind the woolly rhinoceros’ extinction remains a topic of debate, encompassing the impacts of human hunting, climate change, and inbreeding.

Another researcher on the team, Darren Love, noted that the sample’s hair was yellowish, leading to initial thoughts that it belonged to a cave lion carcass (Panthera spelaea) until DNA analysis was performed.

“As far as I know, sequencing an entire ancient genome from stomach contents has never been accomplished before,” Darren stated.

The research team compared the new genome with two others from the woolly rhinoceros, dating back 18,000 and 49,000 years, discovering no evolution in genetic diversity or inbreeding levels over time.

“Had populations dwindled, we would expect a drop in genetic diversity among woolly rhinoceroses, alongside an increase in inbreeding,” Darren explained.

The researchers concluded that the most probable driver behind the woolly rhinoceros extinction was a rapid climate shift between 14,700 and 12,900 years ago, during the Bølling-Allerød Interstadial, which drastically altered the species’ habitat.

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Source: www.newscientist.com