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Urban life is not to everyone's taste


IMAGE: The southern comma (
Polygonia egea) feeds on many different plants and is distributed in different climatic zones. Among all species studied, this one achieved the highest value for urban affinity..
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Credit: Pixabay
Habitat change, for example through urbanisation, is one of the most important causes of biodiversity decline. By 2050, settlements and cities across the globe are predicted to increase by two to three million square kilometres - about half the size of Greenland. Natural and semi-natural habitats will thus gradually be replaced by urban habitats.
How wildlife can adapt to such fundamental changes has mostly been studied for a few species groups, such as mammals and birds. ....

Henrique Pereira , Corey Callaghan , Global Biodiversity Information Facility , Prof Dr Henrique Pereira , Depression Anger , Climate Change , ஹென்றிக் பெரேரா , கோரி காலகன் , உலகளாவிய பல்லுயிர் தகவல் வசதி ,

How many birds are there in the world? More than 600K citizen scientists helped to find out


 
TORONTO
In a monumental effort, Australian researchers have attempted to estimate how many birds there are in the world using observation data from more than 600,000 citizen scientists.
According to the research, published in the Proceedings of the National Academy of Sciences on Tuesday, there are approximately 50 billion individual birds in the world – or about six birds for every human on the planet.
“Humans have spent a great deal of effort counting the members of our own species - all 7.8 billion of us,” Will Cornwell, an ecologist at University of New South Wales Science and co-senior author of the study, said in a press release. ....

Corey Callaghan , Cornell Lab Of Ornithology , University Of New South Wales Science , German Centre For Integrative Biodiversity Research , National Academy , New South Wales Science , House Sparrow , European Starling , Ring Billed Gull , Barn Swallow , Cornell Lab , German Centre , Integrative Biodiversity Research , Chinese Crested Tern , Noisy Scrub Bird , Invisible Rail , Canadian News Live , Tv News , Reaking News , Local News , Ovid 19 Canada , Covid 19 , Oronavirus Canada , கோரி காலகன் , கார்னெல் ஆய்வகம் ஆஃப் ஆர்‌நிதாலஜீ , ஜெர்மன் மையம் க்கு ஒருங்கிணைந்த பல்லுயிர் ஆராய்ச்சி ,