I-WeBS Ballyboy 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 Ballyboy (site code 0G335) 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 | Ballyboy - 5 Year | Ballyboy - 12 Year | Ballyboy - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Wigeon | -28.7 | -39.0 | -33.1 | Moderate Decline |
| Shoveler | 800.0 | 7.6 | -7.5 | Intermediate Decline |
| Mute Swan | 1.1 | 2.2 | 4.5 | Stable or Increasing |
| Mallard | 6.4 | 106.9 | 19.2 | Stable or Increasing |
| Teal | -28.5 | 71.4 | 21.3 | Stable or Increasing |
| Tufted Duck | 76.8 | 84.8 | 45.2 | Stable or Increasing |
| Coot | 423.3 | 339.1 | 107.6 | Stable or Increasing |
| Grey Heron | 160.4 | 233.8 | 276.2 | Stable or Increasing |
| Little Grebe | 250.0 | 184.1 | 880.0 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 1.1 | 2.2 | 4.5 |
| National | 4.6 | 9.6 | 13.8 |
Shoveler
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 800.0 | 7.6 | -7.5 |
| National | 23.0 | -21.3 | -10.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | -28.7 | -39.0 | -33.1 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 6.4 | 106.9 | 19.2 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | -28.5 | 71.4 | 21.3 |
| National | 1.8 | 5.7 | 19.4 |
Tufted Duck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 76.8 | 84.8 | 45.2 |
| National | -20.7 | -28.9 | -17.9 |
Coot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 423.3 | 339.1 | 107.6 |
| National | -10.1 | 1.1 | -23.2 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 250.0 | 184.1 | 880.0 |
| National | 6.1 | 16.7 | 38.2 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Ballyboy | 160.4 | 233.8 | 276.2 |
| 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)