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 L. Coy - Blackrock - Bullaunagh - Ballylee (site code 0G308) 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 L. Coy - Blackrock - Bullaunagh - Ballylee - 5 Year L. Coy - Blackrock - Bullaunagh - Ballylee - 12 Year L. Coy - Blackrock - Bullaunagh - Ballylee - 23 Year Long Term Trend
Pochard 71.4 -41.7 -81.4 Large Decline
Golden Plover 300.0 -82.6 -71.1 Large Decline
Dunlin 62.7 -34.6 -63.1 Large Decline
Lapwing 9.4 -53.2 -58.3 Large Decline
Redshank 46.2 -67.5 -44.9 Moderate Decline
Tufted Duck -7.7 26.3 -22.6 Intermediate Decline
Curlew 34.7 23.6 -18.6 Intermediate Decline
Black-tailed Godwit 262.2 116.1 -16.2 Intermediate Decline
Wigeon -0.8 4.2 -16.1 Intermediate Decline
Mute Swan 61.7 15.5 -12.6 Intermediate Decline
Teal -3.6 3.9 10.3 Stable or Increasing
Shoveler 110.9 187.2 50.0 Stable or Increasing
Cormorant 10.6 -22.4 85.7 Stable or Increasing
Little Grebe 24.1 -15.5 92.2 Stable or Increasing
Mallard 48.4 12.9 119.0 Stable or Increasing

Species Analysis

Mute Swan

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 61.7 15.5 -12.6
National 4.6 9.6 13.8

Shoveler

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 110.9 187.2 50.0
National 23.0 -21.3 -10.8

Wigeon

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee -0.8 4.2 -16.1
National 0.9 -17.0 -18.2

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 48.4 12.9 119.0
National -11.3 -19.7 -19.1

Teal

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee -3.6 3.9 10.3
National 1.8 5.7 19.4

Pochard

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 71.4 -41.7 -81.4
National -19.8 -60.4 -79.1

Tufted Duck

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee -7.7 26.3 -22.6
National -20.7 -28.9 -17.9

Little Grebe

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 24.1 -15.5 92.2
National 6.1 16.7 38.2

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 9.4 -53.2 -58.3
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 300.0 -82.6 -71.1
National -16.9 -58.1 -54.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 34.7 23.6 -18.6
National -9.4 -23.7 -43.1

Black-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 262.2 116.1 -16.2
National 22.5 25.0 92.3

Dunlin

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 62.7 -34.6 -63.1
National 5.9 -21.2 -45.2

Redshank

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 46.2 -67.5 -44.9
National -14.0 -28.4 6.7

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
L. Coy - Blackrock - Bullaunagh - Ballylee 10.6 -22.4 85.7
National 38.5 8.4 42.9

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)