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Ecology Apr 25, 2024

Emperor penguins perish as ice melts to new lows: Study

Colonies of emperor penguin chicks were wiped out last year as global warming eroded their icy homes, a study published Thursday found, despite the birds' attempts to adapt to the shrinking landscape.

Environment Apr 9, 2024

Antarctica's sea ice hit another low this year—understanding how ocean warming is driving the loss is key

At the end of the southern summer, Antarctica's sea ice hit its annual minimum. By at least one measure, which tracks the area of ocean that contains at least 15% of sea ice, it was a little above the record low of 2023.

Evolution Apr 2, 2024

After 10 years of work, landmark study reveals new 'tree of life' for all birds living today

The largest-ever study of bird genomes has produced a remarkably clear picture of the bird family tree. Published in the journal Nature today, our study shows that most of the modern groups of birds first appeared within ...

Evolution Apr 1, 2024

Ancient Adélie penguin DNA reveals that small repeats persist for hundreds of millions of years

Microsatellites are valuable tools for studying inheritance, genetic diversity, and population dynamics across a wide range of organisms including bacteria, plants, animals, and fungi. These short, repeating sequence motifs ...

Plants & Animals Mar 28, 2024

Impact of synbiotic supplements on the gut microbiome and overall health of penguins

The gut microflora plays a pivotal role in the overall well-being of all living organisms. Like their multifaceted and beneficial role in humans, the role of the gut microbiome in maintaining health, behavior, and ecology ...

Ecology Mar 27, 2024

These extraordinary Australian islands are teeming with life—and we must protect them before it's too late

In the Southern Ocean about 4,000 kilometers from Perth lies a truly extraordinary place. Known as the Heard Island and McDonald islands, they are among the most remote places on Earth: a haven for marine life amid the vast ...

Environment Mar 14, 2024

Polar plastic: 97% of sampled Antarctic seabirds found to have ingested microplastics

Anthropogenic plastic pollution is often experienced through evocative images of marine animals caught in floating debris, yet its reach is far more expansive. The polar regions of the Arctic and Antarctica are increasingly ...

Plants & Animals Mar 13, 2024

High-resolution imagery advances the ability to monitor decadal changes in emperor penguin populations

Emperor penguin populations have been exceedingly difficult to monitor because of their remote locations and because individuals form breeding colonies on seasonal sea ice fastened to land (known as fast ice) during the dark ...

Cell & Microbiology Mar 12, 2024

The next pandemic? It's already here for Earth's wildlife, says biologist

I am a conservation biologist who studies emerging infectious diseases. When people ask me what I think the next pandemic will be I often say that we are in the midst of one—it's just afflicting a great many species more ...

Paleontology & Fossils Mar 12, 2024

A brief guide to birdwatching in the age of dinosaurs

Have you ever wondered what it would be like travel back in time to the age of dinosaurs? If you stumble upon a time machine, remember to bring your binoculars. Birdwatching is a popular hobby today, with an around 3 million ...

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