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 Aderry (site code 0L001) 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 Aderry - 5 Year Lough Aderry - 12 Year Lough Aderry - 23 Year Long Term Trend
Lapwing 0.0 -63.3 -95.1 Large Decline
Wigeon -53.7 -44.7 -64.9
Mallard -46.5 -63.6 -64.3
Mute Swan -29.5 -65.9 -40.4 Moderate Decline
Coot -10.0 65.8 -1.5 Intermediate Decline
Gadwall -15.6 46.9 60.8 Stable or Increasing

Species Analysis

Mute Swan

Wigeon

Gadwall

Mallard

Coot

Lapwing

Citations

Please cite this work as follows:

Kennedy, J., Burke, B., Fitzgerald, N., Kelly, S.B.A., Walsh, A.J. & Lewis, L.J. 2023. 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/2023/08/iwebs_trends_report.html)