Area 48 Krill Fishing and Penguins: Why Local Overlap Matters
In Area 48, the ecological risk of Antarctic krill fishing often sits in place and chick-rearing season; a conservative total catch can still overlap with penguin feeding areas.
6/3
Penguin Ecology
How penguins eat, raise chicks, and live with storms. From Antarctic food webs to ice loss, these are the long reads.
All articles
Why Emperor Penguin Moult Depends on Stable Sea Ice
Emperor penguins cannot swim for weeks during moult; the 2026 Marie Byrd Land satellite study shows why fast-ice risk is not only a breeding-season problem.
6/3
What Is Fast Ice, and Why Emperor Penguins Need It
Fast ice is sea ice fixed to coasts, ice walls, ice-shelf fronts, shoals, or grounded icebergs; for emperor penguins, it can be the floor that breeding, chicks, and moult depend on.
6/3
Penguin Glossary: Fast Ice, Krill, Moult, and More
Penguin news and research often use small-looking terms that decide whether penguins can breed, feed, moult, and be protected.
6/3
Why Do Penguins Waddle? Emperor Penguin Gait and Energy Savings
Penguin waddling is not wasted motion. Force-plate work on emperor penguins shows side-to-side sway recovers mechanical energy; short legs are the costly part.
4/29
Do Penguins Mate for Life? Divorce in King and Little Penguins
Penguins are often seasonally monogamous, not always mates for life. King, emperor, and little penguin divorce patterns turn on timing, nests, and failed breeding.
4/26
Krill Oil vs Antarctic Penguins: Hotspots, MSC, and Algae Oil
Krill oil pressure is about where fishing concentrates: Antarctic Peninsula hotspots overlap chick-rearing foraging areas, while health benefits do not clearly beat alternatives.
4/23
Adélie Penguin Pebbles: Courtship, Theft, and Nest Engineering
Adélie penguin pebbles are not rings. They are Antarctic nest drainage, egg protection, courtship signals, and scarce resources that trigger theft.
4/19
Penguin Guano From Space: Satellites Finding Antarctic Colonies
Satellites find emperor penguin colonies by reading guano stains on white sea ice, turning brown pixels into maps of breeding sites and sea-ice risk.
4/15
Prehistoric Giant Penguin Anthropornis: Size and Fossil Clues
Anthropornis was not a 5-meter monster; fossils point to adult-human height. Waimanu in New Zealand and Antarctic fossils tell a calmer body-size story.
4/15
Penguin Personality Research: How Bold and Shy Birds Are Measured
Penguin personality is not human projection. Researchers ask whether the same African or Adélie penguin repeats choices at the nest, at sea, and under chick-rearing pressure.
4/13
Penguin Voice Recognition: How King Penguins Find Family
King penguins have no fixed nest, so returning adults must pick family out of massive colonies using two-voice acoustic fingerprints.
4/8
Penguin Microsleep: Ten Thousand Four-Second Naps a Day
Brooding chinstrap penguins accumulate about 11.4 hours of sleep each day, but split it into more than ten thousand four-second microsleeps.
4/2
Penguin Diving Physiology: 564 Meters and a 6-Beat Heart
Emperor penguins reach 564 meters and can stay down 27.6 minutes by slowing the heart, redirecting blood flow, and storing oxygen in myoglobin-rich muscle.
3/30
Penguin Catastrophic Moult: Why They Replace Feathers at Once
Catastrophic moult leaves penguins unable to swim or feed for 2 to 4 weeks, so the whole annual cycle depends on fat stores and a safe window on land or ice.
3/22
H5N1 in Antarctica: Avian Flu Risks for Penguin Colonies
H5N1 has moved from South Georgia to the Antarctic Peninsula, where dense colonies, little immune history, and migrating seabirds create a new disease risk.
3/15
Penguin Courtship and Breeding: Stone Nests, Voice Recognition, and Incubation Shifts
Penguin courtship begins with posture, calls, and stones, but the real test comes in incubation shifts and chick-rearing; under the romantic surface is a cooperative system that cannot afford mistakes.
3/8
Penguin Thermoregulation: -40°C Huddles and Tropical Heat
Penguin thermoregulation runs in two directions: emperor penguins conserve heat in -40°C huddles, while African and Galapagos penguins work to shed it.
2/28
The Antarctic Food Chain and Penguins: Krill, Sea Ice, and Leopard Seals
The Antarctic food chain is not a single-line penguin story; krill, sea ice, fish, seals, and whales together decide what penguins eat, and who eats penguins.
2/18
Why Penguins Can't Fly: The Evolutionary Trade Written in Wings
Penguins did not simply lose useful wings; they traded flight for underwater propulsion, a 60-million-year shift visible from Waimanu to modern emperors.
2/8
How Climate Change Affects Penguins: Sea Ice, Krill, and the Chain Reaction of Breeding Failure
Climate change first alters sea ice, krill, and heavy rain, then changes penguin foraging distance, breeding timing, and chick survival; population decline is usually the last result we notice.
1/28
Southern Ocean MPA Politics: CCAMLR, Krill, and Penguins
Southern Ocean MPA gridlock is not a lack of science; it is CCAMLR consensus politics colliding with krill fishing and penguin foraging grounds.
1/15