I-WeBS Bantry Bay 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 Bantry Bay (site code 0L468) 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 | Bantry Bay - 5 Year | Bantry Bay - 12 Year | Bantry Bay - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Little Grebe | -22.9 | -86.4 | -82.5 | Large Decline |
| Curlew | -43.7 | -27.2 | -73.9 | Large Decline |
| Redshank | -43.5 | -76.0 | -63.7 | Large Decline |
| Mute Swan | -16.5 | -15.5 | -48.2 | Moderate Decline |
| Turnstone | 605.0 | 65.9 | -47.2 | Moderate Decline |
| Greenshank | -71.8 | -62.0 | -43.4 | Moderate Decline |
| Ringed Plover | 51.0 | 14.1 | -36.4 | Moderate Decline |
| Grey Heron | -23.2 | -6.2 | -16.5 | Intermediate Decline |
| Oystercatcher | 39.7 | -3.3 | -8.3 | Intermediate Decline |
| Wigeon | 4.5 | 46.0 | 19.5 | Stable or Increasing |
| Cormorant | 129.3 | 95.8 | 46.9 | Stable or Increasing |
| Mallard | -10.4 | 30.1 | 63.8 | Stable or Increasing |
| Little Egret | -15.4 | -0.9 | 124.5 | Stable or Increasing |
Species Analysis
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -16.5 | -15.5 | -48.2 |
| National | 4.6 | 9.6 | 13.8 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | 4.5 | 46.0 | 19.5 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -10.4 | 30.1 | 63.8 |
| National | -11.3 | -19.7 | -19.1 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -22.9 | -86.4 | -82.5 |
| National | 6.1 | 16.7 | 38.2 |
Oystercatcher
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | 39.7 | -3.3 | -8.3 |
| National | -17.5 | -31.1 | 10.8 |
Ringed Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | 51.0 | 14.1 | -36.4 |
| National | -4.3 | -26.8 | -1.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -43.7 | -27.2 | -73.9 |
| National | -9.4 | -23.7 | -43.1 |
Turnstone
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | 605.0 | 65.9 | -47.2 |
| National | -33.6 | -46.0 | -23.7 |
Redshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -43.5 | -76.0 | -63.7 |
| National | -14.0 | -28.4 | 6.7 |
Greenshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -71.8 | -62.0 | -43.4 |
| National | 0.9 | 7.3 | 41.0 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | 129.3 | 95.8 | 46.9 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -23.2 | -6.2 | -16.5 |
| National | 1.0 | -4.9 | 6.6 |
Little Egret
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Bantry Bay | -15.4 | -0.9 | 124.5 |
| 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)