Birds: One in four species in Wales 'in serious trouble'




  • In Science
  • 2022-12-07 09:41:41Z
  • By BBC
Greenfinch
Greenfinch  

One in four bird species seen regularly in Wales is in "serious trouble", the latest assessment has revealed.

Familiar birds such as the swift, greenfinch and rook are among five added to the red list of declining species since the last report in 2016.

RSPB Cymru's report on 220 species put 69 on the green list (not in decline) 91 on the amber list (moderate decline) and 60 on the red list (needing help).

Its head of species Julian Hughes said this should be a "wake-up call".

The number of birds on the red list has more than doubled since 2002 - from 27 to 60.

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The corn bunting and corncrake have been declared extinct as breeding birds in Wales, while the marsh harrier and bittern have returned following two decades of wetland restoration.

The future of many upland, grassland and wading birds such as curlew, redshank and lapwing remains of major concern.

Red kite
Red kite  

"Nature needs us more than ever before" said Patrick Linley, senior ornithologist at Natural Resources Wales (NRW), explaining how "birds are a good indicator of the state of our natural environment".

"Our skies are starting to become silent," he warned.

"If you were to go back 20 or 30 years, for every 10 breeding curlew you would have heard in the skies, you will probably only hear three today."

Amid all the bad news, he said there was "real hope" as red kites had recovered from the verge of extinction in the 1980s to "about 2,500 breeding pairs in Wales".

Patrick Linley, NRW
Patrick Linley, NRW  

Work commissioned by NRW suggested the curlew could be on the verge of extinction in Wales in the next decade without urgent intervention.

"We really have to fix this and fix this urgently," Mr Hughes said.

He said the proposed sustainable farming scheme for Wales would be important "because so many of our wild bird species are dependent on farming activity".

The report said a rapid decline in number of breeding rooks and of wintering purple sandpipers, which along with the deteriorating global status of Leach's petrel, saw those species jump from green to red in just six years.

Curlew
Curlew  

Swifts have moved to red and house martins to amber for the first time after changes to their nesting habitat and flying insect food sources in both Wales and Africa.

A severe outbreak of the parasite-borne infection trichomoniasis was a main factor in the decline of the once-familiar garden bird the greenfinch.

It is now on the red list after after a population crash of 71% since 1995.

Greenfinch
Greenfinch  

Experts said bird population assessments demonstrated the importance of long-term monitoring and the participation of volunteers.

Kelvin Jones from British Trust for Ornithology Cymru said birdwatchers needed to get involved.

"They're not difficult surveys. Most people have got the ability to do it, they just need a little bit of a confidence boost and a push. But it's the easiest way to give back to nature."

Rook in dandelions
Rook in dandelions  

Dan Rouse, an educator for Tadorna Wildlife, based at the Botanic Gardens of Wales, said people could help reduce the impact of bacterial infections on birds with good practices such as "move your feeders around, clean your feeders every week or every other week with hot water and Fairy liquid".

The Welsh government said it was "working urgently to ensure 30% of Welsh land, sea and freshwater is used solely for nature by 2030 to help halt the decline of biodiversity".

It added: "We have tripled our targets to recover precious habitats for our birds and wildlife, and are working with Natural Resources Wales on projects to help critically endangered species.

"Under our sustainable farming scheme proposals, we require farmers to provide at least 10% tree cover and use at least 10% of their land to enhance semi-natural habitats."

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