commit 7132bf2dafb3a98d8b9de430a41499d5d6e9e32b Author: margarettemago Date: Thu Aug 14 12:04:41 2025 +0800 Add Even a Tiny Oil Spill Spells Bad News For Birds diff --git a/Even-a-Tiny-Oil-Spill-Spells-Bad-News-For-Birds.md b/Even-a-Tiny-Oil-Spill-Spells-Bad-News-For-Birds.md new file mode 100644 index 0000000..b52ea5e --- /dev/null +++ b/Even-a-Tiny-Oil-Spill-Spells-Bad-News-For-Birds.md @@ -0,0 +1,9 @@ +
OILED UP Consuming even small amounts of crude oil could make birds sluggish. MINNEAPOLIS - Birds don’t need to be drenched in crude oil to be harmed by spills and leaks. Ingesting even small quantities of oil can interfere with the animals’ regular conduct, researchers reported November 15 at the annual meeting of the Society of Environmental Toxicology and Chemistry North America. Birds can take in these smaller doses by preening barely greasy feathers or [BloodVitals monitor](http://www.infinitymugenteam.com:80/infinity.wiki/mediawiki2/index.php/Even_A_Tiny_Oil_Spill_Spells_Bad_News_For_Birds) consuming contaminated food, [BloodVitals SPO2](https://www.augersdivision.it/2024/08/24/master-balance/) for [BloodVitals monitor](http://55x.top:9300/alejandrinabla/8792502/wiki/Are-Teenage-Brains-Really-Different-From-Adult-Brains%3F) example. Big oil spills, [BloodVitals monitor](https://www.simsonq.com/index.php/Why_Do_People_Sing_In_The_Shower) such because the 2010 Deepwater Horizon catastrophe, go away a trail of lifeless and visibly oily birds (SN: 4/18/15, p. 22). But incidents like last week’s 5,000-barrel spill from the Keystone pipeline - and [BloodVitals monitor](https://bonusrot.com/index.php/Overnight_Pulse_Oximetry_Test_To_Evaluate_Oxygen_Levels) smaller spills that don’t make national headlines - may impact wildlife, even if they don’t spur dramatic photos. We summarize the week's scientific breakthroughs every Thursday. To check how oil snacks would possibly have an effect on birds, researchers fed zebra finches small quantities of crude oil or peanut oil for two weeks, then analyzed the birds’ blood and conduct.
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Birds fed the crude oil were less energetic and [BloodVitals device](http://p029.bluew.net/bbs/board.php?bo_table=note&wr_id=377469) spent less time preening their feathers than birds fed peanut oil, said research coauthor Christopher Goodchild, an ecotoxicologist at Oklahoma State University in Stillwater. Oil-soaked birds will usually preen excessively to try to take away the oil, [BloodVitals device](https://portalbromo.com/dprd-kota-probolinggo-gelar-rapat-paripurna-pu-fraksi-terkait-p-apbd-2019/2302/) typically at the expense of other vital activities resembling feeding. But on this case, the birds didn’t have any crude oil on their feathers, so the lower in preening might be a sign they’re not feeling properly, the researchers say. Exactly how the oil impacts the birds’ exercise ranges isn’t clear. Researchers suspected that oil may deprive birds of oxygen by affecting hemoglobin, which carries oxygen in the blood. Blood assessments didn’t turn up any evidence of broken hemoglobin proteins but did find some proof that oil-sipping birds may be anemic, Goodchild mentioned. At the upper of two crude oil doses, birds’ blood contained less hemoglobin per crimson blood cell, a sign of anemia.
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The findings, while preliminary, add to a growing pile of proof that estimates of the number of animals impacted by oil spills could be too low. As an example, even a light sheen of oil on sandpipers’ wings makes it harder to fly, costing birds extra vitality, [BloodVitals monitor](https://bbarlock.com/index.php/At_Certain_Times_Of_The_Day) a different group of researchers reported earlier this year. That could have an effect on every little thing from birds’ day by day movements to lengthy-distance migration. Questions or comments on this article? C. Goodchild, A. Metz and S. DuRant. Are broken erythrocytes linked to decreased exercise and self-maintenance behaviors in birds uncovered to crude oil? I. Maggini et al. Light oiling of feathers increases flight vitality expenditure in a migratory shorebird. Journal of Experimental Biology vol. 220, p. 2372. July 5, 2017. doi:10.1242/jeb.158220. We are at a critical time and supporting science journalism is extra necessary than ever. Science News and our guardian organization, the Society for Science, want your help to strengthen scientific literacy and ensure that vital societal decisions are made with science in mind.
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