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
|
Large Decline
|
Golden Plover
|
-36.2
|
-72.0
|
-61.4
|
Large Decline
|
Ringed Plover
|
-63.5
|
-67.1
|
-58.9
|
Large Decline
|
Red-breasted Merganser
|
-1.7
|
100.0
|
-57.9
|
Large Decline
|
Grey Plover
|
-78.6
|
-70.1
|
-54.3
|
Large Decline
|
Bar-tailed Godwit
|
-71.9
|
-15.9
|
-51.9
|
Large Decline
|
Grey Heron
|
-38.6
|
-46.6
|
-45.7
|
Moderate Decline
|
Mallard
|
-47.4
|
-45.8
|
-45.5
|
Moderate Decline
|
Mute Swan
|
-68.6
|
-56.3
|
-37.9
|
Moderate Decline
|
Wigeon
|
-2.0
|
-6.5
|
-23.7
|
Intermediate Decline
|
Dunlin
|
-19.5
|
-34.8
|
-20.8
|
Intermediate Decline
|
Curlew
|
32.8
|
-18.2
|
-19.0
|
Intermediate Decline
|
Oystercatcher
|
-22.6
|
-37.4
|
-18.0
|
Intermediate Decline
|
Little Grebe
|
-32.6
|
-43.9
|
-17.9
|
Intermediate Decline
|
Cormorant
|
17.6
|
-26.6
|
-0.8
|
Stable or Increasing
|
Redshank
|
4.3
|
-9.0
|
1.7
|
Stable or Increasing
|
Knot
|
52.8
|
-17.3
|
14.1
|
Stable or Increasing
|
Sanderling
|
-67.8
|
-63.9
|
16.9
|
Stable or Increasing
|
Shelduck
|
-10.7
|
-16.8
|
17.5
|
Stable or Increasing
|
Black-tailed Godwit
|
12.8
|
34.7
|
29.3
|
Stable or Increasing
|
Greenshank
|
-12.8
|
25.0
|
33.9
|
Stable or Increasing
|
Light-bellied Brent Goose
|
-35.7
|
-41.3
|
80.5
|
Stable or Increasing
|
Teal
|
-40.1
|
25.8
|
143.5
|
Stable or Increasing
|
Little Egret
|
2.3
|
78.0
|
1383.3
|
Stable or Increasing
|
Species Analysis
Light-bellied Brent Goose
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-35.7
|
-41.3
|
80.5
|
National
|
-11.2
|
1.2
|
93.3
|
Mute Swan
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-68.6
|
-56.3
|
-37.9
|
National
|
4.6
|
9.6
|
13.8
|
Shelduck
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-10.7
|
-16.8
|
17.5
|
National
|
6.3
|
-0.8
|
9.3
|
Wigeon
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-2.0
|
-6.5
|
-23.7
|
National
|
0.9
|
-17.0
|
-18.2
|
Mallard
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-47.4
|
-45.8
|
-45.5
|
National
|
-11.3
|
-19.7
|
-19.1
|
Teal
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-40.1
|
25.8
|
143.5
|
National
|
1.8
|
5.7
|
19.4
|
Red-breasted Merganser
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-1.7
|
100.0
|
-57.9
|
National
|
-12.9
|
5.2
|
-14.7
|
Little Grebe
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-32.6
|
-43.9
|
-17.9
|
National
|
6.1
|
16.7
|
38.2
|
Oystercatcher
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-22.6
|
-37.4
|
-18.0
|
National
|
-17.5
|
-31.1
|
10.8
|
Lapwing
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
14.1
|
-43.2
|
-63.3
|
National
|
-6.5
|
-45.1
|
-63.9
|
Golden Plover
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-36.2
|
-72.0
|
-61.4
|
National
|
-16.9
|
-58.1
|
-54.1
|
Grey Plover
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-78.6
|
-70.1
|
-54.3
|
National
|
-30.6
|
-39.4
|
-57.8
|
Ringed Plover
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-63.5
|
-67.1
|
-58.9
|
National
|
-4.3
|
-26.8
|
-1.1
|
Curlew
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
32.8
|
-18.2
|
-19.0
|
National
|
-9.4
|
-23.7
|
-43.1
|
Bar-tailed Godwit
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-71.9
|
-15.9
|
-51.9
|
National
|
-32.6
|
-13.9
|
-5.1
|
Black-tailed Godwit
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
12.8
|
34.7
|
29.3
|
National
|
22.5
|
25.0
|
92.3
|
Turnstone
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-35.8
|
-74.9
|
-82.1
|
National
|
-33.6
|
-46.0
|
-23.7
|
Knot
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
52.8
|
-17.3
|
14.1
|
National
|
0.0
|
-12.2
|
-9.8
|
Sanderling
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-67.8
|
-63.9
|
16.9
|
National
|
-23.8
|
-11.1
|
84.6
|
Dunlin
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-19.5
|
-34.8
|
-20.8
|
National
|
5.9
|
-21.2
|
-45.2
|
Redshank
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
4.3
|
-9.0
|
1.7
|
National
|
-14.0
|
-28.4
|
6.7
|
Greenshank
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-12.8
|
25.0
|
33.9
|
National
|
0.9
|
7.3
|
41.0
|
Cormorant
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
17.6
|
-26.6
|
-0.8
|
National
|
38.5
|
8.4
|
42.9
|
Grey Heron
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
-38.6
|
-46.6
|
-45.7
|
National
|
1.0
|
-4.9
|
6.6
|
Little Egret
|
Trend (%)
|
Site
|
5 Year
|
12 Year
|
23 Year
|
Boyne Estuary
|
2.3
|
78.0
|
1383.3
|
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)