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 Ventry Harbour (site code 0K911) 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 Ventry Harbour - 5 Year Ventry Harbour - 12 Year Ventry Harbour - 23 Year Long Term Trend
Wigeon -81.1 287.5 -33.6 Moderate Decline
Mallard -48.1 -18.2 -21.7 Intermediate Decline
Teal -43.5 -34.2 2.0 Stable or Increasing
Grey Heron 40.0 -33.8 5.4 Stable or Increasing
Cormorant 18.9 1.1 23.9 Stable or Increasing
Light-bellied Brent Goose -6.5 -1.1 87.0 Stable or Increasing
Little Egret 23.2 -12.7 NA Not Applicable

Species Analysis

Light-bellied Brent Goose

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour -6.5 -1.1 87.0
National -11.2 1.2 93.3

Wigeon

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour -81.1 287.5 -33.6
National 0.9 -17.0 -18.2

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour -48.1 -18.2 -21.7
National -11.3 -19.7 -19.1

Teal

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour -43.5 -34.2 2.0
National 1.8 5.7 19.4

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour 18.9 1.1 23.9
National 38.5 8.4 42.9

Grey Heron

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour 40.0 -33.8 5.4
National 1.0 -4.9 6.6

Little Egret

Trend (%)
Site 5 Year 12 Year 23 Year
Ventry Harbour 23.2 -12.7 NA
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)