This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Saturday, 5 December 2020
You Can Only Push Birds So Far North, Before Things Start to Turn South!
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Once birds get to the North Pole, everywhere subsequent is in a Southerly direction. It has been reported that 120,000 bird watchers in 48 countries, have established that European birds have been pushed, an average of 28km further North, over last 3 decades (https://www.theguardian.com/environment/2020/dec/03/atlas-reveals-birds-pushed-further-north-amid-climate-crisis-aoe). Climate change appears to be the main cause of this alteration in range. One of the species involved is the Little egret, a bird that only started appearing in Wales, a few decades ago. Global warming seems to have rather different effects on the birds that normally inhabit the forests, compared to those associated with fields. The trouble is, that bird species (as other animals) only have limited scope to deal with climate change. After a point, only extinction beckons.
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