Introduction

This report presents site trends based on the data gathered by the Irish Wetland Bird Survey (I-WeBS). Only species with sufficient data at Donegal Bay (site code 0A405) are presented.

This report is part of the I-WeBS National and Site Trends Report 1994/95 – 2019/20.

For guidance on how to interpret these trends, please see the I-WeBS Trends Report Guidance.

For details on the methods used to generate these trends, please see the I-WeBS Trends Report Methodology.

Site Summary

Trend (%)
Species Donegal Bay - 5 Year Donegal Bay - 12 Year Donegal Bay - 23 Year Long Term Trend
Grey Plover -48.7 -31.8 -17.7 Intermediate Decline
Golden Plover 27.7 -73.0 7.4 Stable or Increasing
Redshank -37.4 -64.2 18.8 Stable or Increasing
Bar-tailed Godwit -62.4 -54.0 25.7 Stable or Increasing
Lapwing 28.6 -30.2 44.6 Stable or Increasing
Dunlin 25.0 -33.1 46.6 Stable or Increasing
Knot -47.0 -76.4 61.2 Stable or Increasing
Curlew 6.5 -7.7 70.1 Stable or Increasing
Black-tailed Godwit -57.5 -84.7 94.7 Stable or Increasing
Turnstone -31.6 -46.9 126.1 Stable or Increasing
Greenshank -23.6 -13.1 129.1 Stable or Increasing
Ringed Plover 54.4 17.3 193.3 Stable or Increasing
Purple Sandpiper -1.5 -12.0 288.2 Stable or Increasing
Sanderling 27.7 40.7 418.8 Stable or Increasing

Species Analysis

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 28.6 -30.2 44.6
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 27.7 -73.0 7.4
National -16.9 -58.1 -54.1

Grey Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -48.7 -31.8 -17.7
National -30.6 -39.4 -57.8

Ringed Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 54.4 17.3 193.3
National -4.3 -26.8 -1.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 6.5 -7.7 70.1
National -9.4 -23.7 -43.1

Bar-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -62.4 -54.0 25.7
National -32.6 -13.9 -5.1

Black-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -57.5 -84.7 94.7
National 22.5 25.0 92.3

Turnstone

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -31.6 -46.9 126.1
National -33.6 -46.0 -23.7

Knot

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -47.0 -76.4 61.2
National 0.0 -12.2 -9.8

Sanderling

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 27.7 40.7 418.8
National -23.8 -11.1 84.6

Dunlin

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay 25.0 -33.1 46.6
National 5.9 -21.2 -45.2

Purple Sandpiper

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -1.5 -12.0 288.2
National -36.4 -37.6 23.5

Redshank

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -37.4 -64.2 18.8
National -14.0 -28.4 6.7

Greenshank

Trend (%)
Site 5 Year 12 Year 23 Year
Donegal Bay -23.6 -13.1 129.1
National 0.9 7.3 41.0

Citations

Please cite this work as follows:

Kennedy, J., Burke, B., Fitzgerald, N., Kelly, S.B.A., Walsh, A.J. & Lewis, L.J. 2022. Irish Wetland Bird Survey: I-WeBS National and Site Trends Report 1994/95 – 2019/20. BirdWatch Ireland Waterbird Report to the National Parks and Wildlife Service. BirdWatch Ireland, Wicklow. (https://birdwatchireland.ie/app/uploads/2022/04/iwebs_trends_report.html)