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 Skerries Coast (site code 0U904) 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 Skerries Coast - 5 Year Skerries Coast - 12 Year Skerries Coast - 23 Year Long Term Trend
Mallard -55.3 -78.6 -96.6 Large Decline
Knot -90.0 -91.4 -95.5 Large Decline
Golden Plover -52.6 -70.0 -93.2 Large Decline
Grey Plover -77.6 -80.5 -91.4 Large Decline
Lapwing -9.1 -42.0 -79.2 Large Decline
Purple Sandpiper -70.9 -34.2 -63.0 Large Decline
Turnstone -50.6 -62.4 -49.1 Moderate Decline
Redshank -32.2 -36.6 -4.9 Intermediate Decline
Oystercatcher -42.3 -41.7 -1.7 Intermediate Decline
Curlew -8.1 -12.5 19.7 Stable or Increasing
Sanderling -53.9 -34.3 22.4 Stable or Increasing
Ringed Plover 12.2 -27.2 40.7 Stable or Increasing
Greenshank -24.6 78.8 71.5 Stable or Increasing
Grey Heron -10.3 -11.1 76.3 Stable or Increasing
Cormorant 0.0 36.6 96.5 Stable or Increasing
Light-bellied Brent Goose -37.1 6.8 110.8 Stable or Increasing
Dunlin 175.0 120.0 144.4 Stable or Increasing
Great Crested Grebe 182.8 228.0 241.7 Stable or Increasing
Little Egret 81.8 334.8 NA Not Applicable

Species Analysis

Light-bellied Brent Goose

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -37.1 6.8 110.8
National -11.2 1.2 93.3

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -55.3 -78.6 -96.6
National -11.3 -19.7 -19.1

Great Crested Grebe

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast 182.8 228.0 241.7
National -39.5 -6.1 -10.8

Oystercatcher

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -42.3 -41.7 -1.7
National -17.5 -31.1 10.8

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -9.1 -42.0 -79.2
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -52.6 -70.0 -93.2
National -16.9 -58.1 -54.1

Grey Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -77.6 -80.5 -91.4
National -30.6 -39.4 -57.8

Ringed Plover

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast 12.2 -27.2 40.7
National -4.3 -26.8 -1.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -8.1 -12.5 19.7
National -9.4 -23.7 -43.1

Turnstone

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -50.6 -62.4 -49.1
National -33.6 -46.0 -23.7

Knot

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -90.0 -91.4 -95.5
National 0.0 -12.2 -9.8

Sanderling

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -53.9 -34.3 22.4
National -23.8 -11.1 84.6

Dunlin

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast 175.0 120.0 144.4
National 5.9 -21.2 -45.2

Purple Sandpiper

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -70.9 -34.2 -63.0
National -36.4 -37.6 23.5

Redshank

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -32.2 -36.6 -4.9
National -14.0 -28.4 6.7

Greenshank

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -24.6 78.8 71.5
National 0.9 7.3 41.0

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast 0.0 36.6 96.5
National 38.5 8.4 42.9

Grey Heron

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast -10.3 -11.1 76.3
National 1.0 -4.9 6.6

Little Egret

Trend (%)
Site 5 Year 12 Year 23 Year
Skerries Coast 81.8 334.8 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)