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 Lough Iron (site code 0W012) 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 Lough Iron - 5 Year Lough Iron - 12 Year Lough Iron - 23 Year Long Term Trend
Goldeneye -39.3 -51.4 -98.1 Large Decline
Pochard -25.4 25.7 -94.2 Large Decline
Golden Plover -42.6 -73.5 -92.5 Large Decline
Lapwing -42.0 -61.5 -88.9 Large Decline
Curlew -45.2 -21.5 -83.2 Large Decline
Wigeon -20.2 -3.2 -74.1 Large Decline
Pintail -51.4 9.0 -72.4 Large Decline
Mallard -21.8 -62.8 -67.7 Large Decline
Shoveler -15.6 33.3 -66.5 Large Decline
Cormorant -26.3 12.2 -62.0 Large Decline
Teal 38.2 42.4 -61.0 Large Decline
Great Crested Grebe -21.2 -53.4 -44.7 Moderate Decline
Coot -8.2 9.8 -33.0 Moderate Decline
Tufted Duck -22.4 43.1 -21.0 Intermediate Decline
Mute Swan 16.7 -14.2 -13.3 Intermediate Decline
Grey Heron -28.3 34.1 2.7 Stable or Increasing
Little Grebe 27.0 42.4 34.3 Stable or Increasing
Gadwall -50.0 81.2 180.6 Stable or Increasing

Species Analysis

Mute Swan

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron 16.7 -14.2 -13.3
National 4.6 9.6 13.8

Shoveler

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -15.6 33.3 -66.5
National 23.0 -21.3 -10.8

Gadwall

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -50.0 81.2 180.6
National -26.5 4.3 24.4

Wigeon

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -20.2 -3.2 -74.1
National 0.9 -17.0 -18.2

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -21.8 -62.8 -67.7
National -11.3 -19.7 -19.1

Pintail

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -51.4 9.0 -72.4
National -0.8 -6.0 -13.7

Teal

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron 38.2 42.4 -61.0
National 1.8 5.7 19.4

Pochard

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -25.4 25.7 -94.2
National -19.8 -60.4 -79.1

Tufted Duck

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -22.4 43.1 -21.0
National -20.7 -28.9 -17.9

Goldeneye

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -39.3 -51.4 -98.1
National -32.5 -39.0 -66.9

Coot

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -8.2 9.8 -33.0
National -10.1 1.1 -23.2

Little Grebe

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron 27.0 42.4 34.3
National 6.1 16.7 38.2

Great Crested Grebe

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -21.2 -53.4 -44.7
National -39.5 -6.1 -10.8

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -42.0 -61.5 -88.9
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -42.6 -73.5 -92.5
National -16.9 -58.1 -54.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -45.2 -21.5 -83.2
National -9.4 -23.7 -43.1

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -26.3 12.2 -62.0
National 38.5 8.4 42.9

Grey Heron

Trend (%)
Site 5 Year 12 Year 23 Year
Lough Iron -28.3 34.1 2.7
National 1.0 -4.9 6.6

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)