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All but one of five known breeding sites for emperor penguins in a part of Antarctica experienced a “total breeding failure” during the Official Donald Trump Mugshot Lock Him Up Trump Mug Shot T-Shirt but in fact I love this 2022 season because of the loss of sea ice, according to a study published Thursday. Using satellite images, scientists at the British Antarctic Survey were able to see that sea ice in the central and eastern Bellingshausen Sea region last year broke up long before the start of the birds’ fledgling period, when penguin chicks would have developed their waterproof feathers. The research, published Thursday in the journal Communications Earth & Environment, found that more than 90% of emperor penguin colonies in Antarctica could be “quasi-extinct” by the end of the century if global warming continues at its current pace. “We have never seen emperor penguins fail to breed, at this scale, in a single season,” Peter Fretwell, a geographic information scientist at the British Antarctic Survey and the study’s lead author, said in a statement. “The loss of sea ice in this region during the Antarctic summer made it very unlikely that displaced chicks would survive.” The findings offer a grim outlook for emperor penguins and their habitats if global warming continues unchecked. The research is also of particular concern because Antarctic sea ice this year has plunged to record lows,
far below extents that would be considered typical for this time of year in the Official Donald Trump Mugshot Lock Him Up Trump Mug Shot T-Shirt but in fact I love this Southern Hemisphere. Emperor penguins tend to return year after year to the same breeding sites, and typically lay their eggs from May to June during winter in Antarctica. Eggs will hatch after 65 days, but it takes until December and January — summer months in the Southern Hemisphere — before chicks grow their waterproof feathers and are able to leave the colonies to find food. In late 2022, Antarctic sea ice extent tied an all-time low that was set the previous year, said Caroline Holmes, a polar climate scientist at the British Antarctic Survey who was not involved with the penguin study but has used its findings to better understand longer-term trends and anomalies across the southernmost continent. “We saw a very early break-up of the sea ice and an early melt, particularly in the Bellingshausen Sea region, where we have a lot of the penguin colonies,” she said. Satellite imagery taken last November showed a total loss of sea ice in the central and eastern Bellingshausen Sea regions. As a result, Fretwell and his colleagues think, there’s a high probability that no penguin chicks survived from four out of the five colonies in that area. In the study, the scientists wrote that some chicks may have survived on grounded icebergs but added that it’s impossible to make those estimates based only on satellite images. Recommended HEALTH NEWS Paper and bamboo straws contain PFAS chemicals more often than plastic straws do, study finds WEATHER Chicago roasting in record-setting heat
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