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 North Wicklow Coastal Marshes (site code 0T401) 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 North Wicklow Coastal Marshes - 5 Year North Wicklow Coastal Marshes - 12 Year North Wicklow Coastal Marshes - 23 Year Long Term Trend
Pochard -86.4 -96.6 -99.0 Large Decline
Goldeneye -63.3 -45.3 -86.8 Large Decline
Grey Plover -75.0 -42.4 -84.3 Large Decline
Dunlin -45.0 -47.8 -75.6 Large Decline
Oystercatcher -40.4 -29.3 -75.6 Large Decline
Gadwall -79.8 -78.9 -70.9 Large Decline
Turnstone -47.8 -83.1 -69.7 Large Decline
Pintail -39.4 110.5 -69.1 Large Decline
Coot -87.0 -93.8 -67.7 Large Decline
Shelduck -21.4 -44.1 -66.4 Large Decline
Light-bellied Brent Goose -60.4 -25.4 -56.2 Large Decline
Lapwing -16.1 -51.0 -55.4 Large Decline
Curlew 5.6 -21.9 -49.7 Moderate Decline
Mallard -29.2 -40.3 -49.4 Moderate Decline
Mute Swan -35.0 -42.5 -42.0 Moderate Decline
Ringed Plover -36.2 -36.2 -34.6 Moderate Decline
Redshank 9.1 2.9 -6.5 Intermediate Decline
Teal -7.7 -6.9 3.8 Stable or Increasing
Wigeon -18.8 -17.6 5.7 Stable or Increasing
Grey Heron 11.2 -22.0 12.5 Stable or Increasing
Cormorant -11.8 -20.2 41.5 Stable or Increasing
Golden Plover 62.7 -53.2 53.7 Stable or Increasing
Little Grebe -20.2 -14.4 111.1 Stable or Increasing
Bar-tailed Godwit -70.4 137.0 357.1 Stable or Increasing
Shoveler 92.4 156.5 532.1 Stable or Increasing
Greenshank 266.7 500.0 1220.0 Stable or Increasing
Little Egret 36.7 61.2 1442.9 Stable or Increasing
Black-tailed Godwit 55.1 227.0 1628.6 Stable or Increasing

Species Analysis

Light-bellied Brent Goose

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -60.4 -25.4 -56.2
National -11.2 1.2 93.3

Mute Swan

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -35.0 -42.5 -42.0
National 4.6 9.6 13.8

Shelduck

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -21.4 -44.1 -66.4
National 6.3 -0.8 9.3

Shoveler

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 92.4 156.5 532.1
National 23.0 -21.3 -10.8

Gadwall

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -79.8 -78.9 -70.9
National -26.5 4.3 24.4

Wigeon

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -18.8 -17.6 5.7
National 0.9 -17.0 -18.2

Mallard

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -29.2 -40.3 -49.4
National -11.3 -19.7 -19.1

Pintail

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -39.4 110.5 -69.1
National -0.8 -6.0 -13.7

Teal

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -7.7 -6.9 3.8
National 1.8 5.7 19.4

Pochard

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -86.4 -96.6 -99.0
National -19.8 -60.4 -79.1

Goldeneye

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -63.3 -45.3 -86.8
National -32.5 -39.0 -66.9

Coot

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -87.0 -93.8 -67.7
National -10.1 1.1 -23.2

Little Grebe

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -20.2 -14.4 111.1
National 6.1 16.7 38.2

Oystercatcher

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -40.4 -29.3 -75.6
National -17.5 -31.1 10.8

Lapwing

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -16.1 -51.0 -55.4
National -6.5 -45.1 -63.9

Golden Plover

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 62.7 -53.2 53.7
National -16.9 -58.1 -54.1

Grey Plover

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -75.0 -42.4 -84.3
National -30.6 -39.4 -57.8

Ringed Plover

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -36.2 -36.2 -34.6
National -4.3 -26.8 -1.1

Curlew

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 5.6 -21.9 -49.7
National -9.4 -23.7 -43.1

Bar-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -70.4 137.0 357.1
National -32.6 -13.9 -5.1

Black-tailed Godwit

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 55.1 227.0 1628.6
National 22.5 25.0 92.3

Turnstone

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -47.8 -83.1 -69.7
National -33.6 -46.0 -23.7

Dunlin

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -45.0 -47.8 -75.6
National 5.9 -21.2 -45.2

Redshank

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 9.1 2.9 -6.5
National -14.0 -28.4 6.7

Greenshank

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 266.7 500.0 1220.0
National 0.9 7.3 41.0

Cormorant

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes -11.8 -20.2 41.5
National 38.5 8.4 42.9

Grey Heron

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 11.2 -22.0 12.5
National 1.0 -4.9 6.6

Little Egret

Trend (%)
Site 5 Year 12 Year 23 Year
North Wicklow Coastal Marshes 36.7 61.2 1442.9
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)