The State of the UK's Birds 2016
Author(s): Hayhow D.B., Bond A.L., Douse A., Eaton M.A., Frost T., Grice P.V., Hall C., Harris, S.J., Havery S., Hearn R.D., Noble D.G., Oppel S., Williams J., Win I. and Wotton S.
Published: April 2017
Publisher: RSPB, BTO, WWT, DAERA, JNCC, NE, NRW and SNH
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The main theme of The State of the UK’s Birds report (SUKB) 2016 is the latest Birds of Conservation Concern 4 list – BoCC4 published in 2015 - and the species whose status has changed. The increase in the Red list by 15 species is due to problems in all habitats including farmland, woodland and coasts but most notably in uplands with five new upland species moving onto the red list.One of these is Curlew. The UK supports 27% of the global population, and the long-term trend shows a 64% decline from 1970 to 2014. This, combined with the bird's global status of Near Threatened, suggests that the Curlew is one of the most pressing bird conservation priorities in the UK.
“The BTO is working with others on a programme of research to understand the causes of Curlew decline and guide potential management solutions. This involves analyses of long-term data collected by thousands of volunteers, using novel tracking technology to study the needs of individual birds, and working with local enthusiasts to inform the recovery of local populations”
- James Pearce-Higgins, Director of Science, BTO
Whinchat, another largely upland species monitored by the BBS shows a 53% decline during the last two decades. As an Afro-Palearctic migrant, this species is part of another group for which there is particular concern. Threats and pressures during migration and on the wintering grounds need to be considered alongside the impact of changes in upland habitats in the UK.
More unexpected perhaps, is that Grey Wagtail has moved from the Amber list to the Red list. Alongside declines in Common Sandpiper and Dipper, this raises wider concerns about species associated with upland streams and rivers. The other two upland species to show marked declines are Merlin and Dotterel, the latter a montane species likely to affected negatively by climate change and grazing pressure.
Scarce and rare breeding species
As well as the annual update of changes in widespread breeding species based mainly on the BBS, SUKB 2016 once again includes a summary of trends in scarce and rare breeding species, drawn mainly from the annual reports of the Rare Breeding Bird Panel (RBBP) and the SCARABBS programme of periodic surveys.
Of the 91 species reported on in the most recent RBBP report covering 2014, 71 were assessed by BoCC4. Eight species showed an improvement in status (including Woodlark, Bearded Tit and Chough, which joined the Green list), with conservation action to maintain suitable reed beds helping the populations of species such as Bittern recover. Five species, Pochard, Slavonian Grebe, Merlin, Dotterel and Black Redstart moved onto the Red list. The remaining 20 of the 91, not assessed by BoCC4, are those which are not considered to be a regular component of the UK’s avifauna. This may be because they breed only occasionally (eg. European Bee-eater), or indeed have never bred, but from time-to-time visiting individuals exhibit breeding behaviour (eg. Great Reed Warbler). The RBBP logs such occurrences, as it may be that they represent a precursor to future colonisation, such as the first Little Egrets that displayed to each other in the early 1990s, before first breeding in 1996 and the subsequent population explosion.
The importance of volunteer data
Thousands of dedicated volunteers contributed to the data used throughout most of this report. Data used to calculate UK population trends and related research. Over 2,600 volunteers participated in the Breeding Bird Survey in 2016 alone, one of many surveys highlighted in the report. This particular survey provides annual population trends for 111 species, including upland species such as Curlew, Whinchat and Grey Wagtail.
At a smaller, but equally as important scale, the 258 volunteers who contribute to the Waterways Breeding Bird Survey allow monitoring on those species specific to waterways, such as Common Sandpiper and Dipper and cover almost 300 sites annually.
Who produces the report
SUKB is produced by a coalition of three non-governmental organisations (NGOs) – the RSPB, BTO and the WWT – and the UK Government’s statutory nature conservation agencies – Natural Resources Wales (NRW), Natural England (NE), the Department of Agriculture, Environment and Rural Affairs, Northern Ireland (DAERA), Scottish Natural Heritage (SNH) and the Joint Nature Conservation Committee (JNCC).
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