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BTO 20 Mar 17
It's . Data collected by volunteers show how our native sparrows are faring:
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Samuel West 17 Feb 14
Replying to @_BTO
The lark descending MT : Our report shows why today's , , is getting harder to hear:
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BTO 23 Dec 15
After crashing in the late '60s, the Whitethroat population is making a comeback
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BTO 29 May 14
Good to see nesting on . Our latest suggest they might be starting to recover:
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Breeding Bird Survey 25 Jan 17
Ravens have increased across the UK by 45% since the Breeding Bird Survey started in 1994. :
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BTO 19 Dec 16
There are 21 bird species for which our long-term trends show that their populations have doubled
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BTO 3 Jun 15
The Greenfinch population has declined by 37% in the last 5 years
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BTO Garden BirdWatch 7 Nov 18
Long-tailed Tits are among the 23 species which have doubled in population size in the UK over the last 22-49 years. Find out more in the 2018 report.
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BTO Garden BirdWatch 7 Nov 18
2018 is now available. Unfortunately a few of our regular garden visitors, including House Sparrow and Starling, are among the 26 species showing declines of greater than 50% over the last 31–49 years. Explore the full report at
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BTO 19 Jan 13
Explore the changing population trends of all our common birds here:
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Infection Control 11 Jan 14
Replying to @HistoryInPics
: Plague doctor masks ” Staff call modern FP3 masks "the duck beak ones" still :-)
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BTO 14 Jun 16
The Nightingale population declined by 37% between 1995 & 2013
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Mardi Dickinson 23 May 14
Replying to @ssts @cfieldnotes
Fascinating :Population trends for 5 woodpeckers in Connecticut.
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BTO Garden BirdWatch 11 Nov 18
Robins are now laying 9 days earlier on average compared to the mid 1960s. You can find out which other birds are breeding earlier in the 2018 report from .
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The Seabird Group 5 Jan 15
The new page for Common Tern shows a breeding population decline:
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RareBirdAlertUK 23 Dec 14
RT : New report shows House Sparrows struggling in urban & suburban areas:
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BTO Garden BirdWatch 24 Dec 14
RT : Some reasons to feel cheerful
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Biotweeps 30 Jan 15
This really matters for species like , which are in severe decline:
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BTO Scotland 13 Jan 15
" latest rpt shows House Sparrow strife" << in England. Doing better here 😉
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Sarah 19 Dec 16
The invaluable resource that is - now updated! Showing population changes & info for 121 bird species!
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