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 River Suir Middle (site code 0J301) 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 River Suir Middle - 5 Year River Suir Middle - 12 Year River Suir Middle - 23 Year Long Term Trend
Golden Plover -21.2 -43.2 -90.3 Large Decline
Lapwing -25.0 -33.3 -89.7 Large Decline
Curlew 1.4 38.5 -55.3 Large Decline
Wigeon 56.7 -34.4 -28.1 Moderate Decline
Cormorant 34.5 -27.8 -17.9 Intermediate Decline
Mute Swan 109.1 76.9 22.7 Stable or Increasing
Teal 14.0 23.9 96.6 Stable or Increasing
Mallard 67.0 112.3 117.7 Stable or Increasing
Grey Heron 216.7 119.2 119.2 Stable or Increasing
Little Egret 316.7 354.5 2400.0 Stable or Increasing

Species Analysis

Mute Swan

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 109.1 76.9 22.7
National 4.6 9.6 13.8

Wigeon

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 56.7 -34.4 -28.1
National 0.9 -17.0 -18.2

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 67.0 112.3 117.7
National -11.3 -19.7 -19.1

Teal

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 14.0 23.9 96.6
National 1.8 5.7 19.4

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle -25.0 -33.3 -89.7
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle -21.2 -43.2 -90.3
National -16.9 -58.1 -54.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 1.4 38.5 -55.3
National -9.4 -23.7 -43.1

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 34.5 -27.8 -17.9
National 38.5 8.4 42.9

Grey Heron

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 216.7 119.2 119.2
National 1.0 -4.9 6.6

Little Egret

Trend (%)
Site 5 Year 12 Year 23 Year
River Suir Middle 316.7 354.5 2400.0
National 34.6 61.5 483.3

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)