I-WeBS Lough Cutra - Ballynakill L. Trends Report
I-WeBS Trends Report 1994/95 – 2019/20
Published 2022-04-01
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 Lough Cutra - Ballynakill L. (site code 0G007) 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
| Species | Lough Cutra - Ballynakill L. - 5 Year | Lough Cutra - Ballynakill L. - 12 Year | Lough Cutra - Ballynakill L. - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Pochard | -67.7 | -91.8 | -97.3 | Large Decline |
| Curlew | -39.1 | 133.3 | -85.6 | Large Decline |
| Goldeneye | -17.1 | -19.4 | -80.9 | Large Decline |
| Teal | -9.4 | -43.8 | -79.1 | Large Decline |
| Mallard | -15.0 | -68.9 | -67.6 | Large Decline |
| Cormorant | 38.6 | 90.2 | -50.0 | Large Decline |
| Mute Swan | -10.5 | -6.6 | -47.5 | Moderate Decline |
| Tufted Duck | -25.0 | -28.8 | -47.5 | Moderate Decline |
| Lapwing | -34.3 | 48.4 | -45.9 | Moderate Decline |
| Wigeon | 5.9 | 157.1 | -40.0 | Moderate Decline |
| Great Crested Grebe | -55.9 | -3.4 | -21.3 | Intermediate Decline |
| Grey Heron | -73.4 | -69.5 | NA | Not Applicable |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -10.5 | -6.6 | -47.5 |
| National | 4.6 | 9.6 | 13.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | 5.9 | 157.1 | -40.0 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -15.0 | -68.9 | -67.6 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -9.4 | -43.8 | -79.1 |
| National | 1.8 | 5.7 | 19.4 |
Pochard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -67.7 | -91.8 | -97.3 |
| National | -19.8 | -60.4 | -79.1 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -25.0 | -28.8 | -47.5 |
| National | -20.7 | -28.9 | -17.9 |
Goldeneye
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -17.1 | -19.4 | -80.9 |
| National | -32.5 | -39.0 | -66.9 |
Great Crested Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -55.9 | -3.4 | -21.3 |
| National | -39.5 | -6.1 | -10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -34.3 | 48.4 | -45.9 |
| National | -6.5 | -45.1 | -63.9 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -39.1 | 133.3 | -85.6 |
| National | -9.4 | -23.7 | -43.1 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | 38.6 | 90.2 | -50.0 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Lough Cutra - Ballynakill L. | -73.4 | -69.5 | NA |
| National | 1.0 | -4.9 | 6.6 |
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)