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 Boyne Estuary (site code 0Z402) 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 Boyne Estuary - 5 Year Boyne Estuary - 12 Year Boyne Estuary - 23 Year Long Term Trend
Turnstone -35.8 -74.9 -82.1 Large Decline
Lapwing 14.1 -43.2 -63.3
Golden Plover -36.2 -72.0 -61.4
Ringed Plover -63.5 -67.1 -58.9
Grey Plover -78.8 -71.1 -54.9
Bar-tailed Godwit -71.9 -15.9 -51.9
Mallard -47.4 -45.8 -45.5 Moderate Decline
Wigeon -2.0 -6.5 -23.7 Intermediate Decline
Dunlin -19.5 -34.8 -20.8
Curlew 32.8 -18.2 -19.0
Oystercatcher -22.6 -37.4 -18.0
Cormorant 17.6 -26.6 -0.8 Stable or Increasing
Redshank 4.3 -9.0 1.7
Knot 52.8 -17.3 14.1
Sanderling -67.8 -63.9 16.9
Shelduck -10.7 -16.8 17.5
Black-tailed Godwit 12.8 34.7 29.3
Light-bellied Brent Goose -35.7 -41.3 80.5
Teal -40.1 25.8 143.5

Species Analysis

Light-bellied Brent Goose

Shelduck

Wigeon

Teal

Mallard

Cormorant

Oystercatcher

Ringed Plover

Golden Plover

Grey Plover

Lapwing

Knot

Sanderling

Dunlin

Black-tailed Godwit

Bar-tailed Godwit

Curlew

Redshank

Turnstone

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)