US EditionStudy finds penguins breeding two weeks earlier as Antarctica warms
A decade-long study shows gentoo penguins advanced breeding by 13 days, increasing competition and threatening krill-specialist species, amid a 3°C rise in breeding ground temperatures.
- Published in the Journal of Animal Ecology, researchers report that with temperatures increasing by 5.4 degrees Fahrenheit, three penguin species began breeding about two weeks earlier than a decade ago.
- Researchers found colony locations are warming four times faster than the Antarctic average, with less sea ice causing earlier phytoplankton blooms that alter breeding prey timing.
- With 77 time-lapse cameras at 37 colonies, Penguin Watch volunteers annotated over 9 million images, enabling decade-long landscape-level analysis of breeding and temperature changes.
- Researchers warn climate change creates 'winners and losers', favouring gentoo penguins while Adélie and Chinstrap penguins decline, with overlapping breeding seasons threatening chick survival and models suggesting extinction risk in the Antarctic Peninsula.
- Scientists urge continued monitoring as Ignacio Juarez Martinez states, `The scale is so great that penguins in most areas are now breeding earlier than in any historical records`.
116 Articles
116 Articles
Climate change has significant consequences, since it threatens to interfere with the access of penguins to food and to increase competition between different species coexist in Antarctica.
Antarctic warming speeds up penguin breeding, study finds
A new study published on Tuesday (January 20) in the Journal of Animal Ecology found three Antarctic penguin species starting their breeding season markedly earlier than a decade ago, in what researchers say is a record shift likely linked to rapid warming at colony sites in the Antarctic region.
The penguins of Antarctica are being reproducing earlier, at an unprecedented rate due to climate change, is that they point to a study published on this Wednesday in the Journal of Animal Ecology. The international research analyzed a decade of observations and detected an extraordinary change in the patterns of reproduction of penguins, closely related to the increase of temperatures on the continent, said the main author of the study, Ignacio…
Climate crisis threatens three species of Antarctic Penguin
Antarctic penguins have drastically changed their breeding patterns because of the climate crisis, which is now threatening the species’ survival. A ten-year study by Penguin Watch at the University of Oxford and Oxford Brookes University revealed that the breeding seasons of three species — Adélie, Gentoo, and Chinstrap have moved forward by more than three weeks. This is important because their breeding periods are based on when food is most a…
Penguins are starting to hatch earlier than ever as climate change warms Antarctica, according to a study published Tuesday by an international team of scientists.
Coverage Details
Bias Distribution
- 46% of the sources are Center
Factuality
To view factuality data please Upgrade to Premium
