I-WeBS Killala 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 Killala Bay (site code 0D407) 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 | Killala Bay - 5 Year | Killala Bay - 12 Year | Killala Bay - 23 Year | Long Term Trend |
|---|---|---|---|---|
| Golden Plover | -83.9 | -94.5 | -94.0 | Large Decline |
| Grey Plover | -86.4 | -78.7 | -93.2 | Large Decline |
| Dunlin | -81.0 | -84.8 | -92.6 | Large Decline |
| Knot | -95.3 | -87.7 | -92.2 | Large Decline |
| Lapwing | -56.0 | -83.3 | -91.0 | Large Decline |
| Turnstone | -63.2 | -82.4 | -81.3 | Large Decline |
| Bar-tailed Godwit | -70.5 | -71.9 | -71.8 | Large Decline |
| Curlew | -24.1 | -29.8 | -58.2 | Large Decline |
| Little Grebe | -22.4 | -23.0 | -55.9 | Large Decline |
| Oystercatcher | -42.7 | -41.1 | -50.4 | Large Decline |
| Redshank | -42.6 | -56.9 | -43.4 | Moderate Decline |
| Grey Heron | -22.5 | -19.8 | -41.1 | Moderate Decline |
| Wigeon | -39.4 | -30.8 | -41.1 | Moderate Decline |
| Black-tailed Godwit | -62.9 | -68.3 | -39.1 | Moderate Decline |
| Red-breasted Merganser | -3.1 | -1.6 | -36.4 | Moderate Decline |
| Greenshank | -38.9 | -40.0 | -35.3 | Moderate Decline |
| Shelduck | -26.7 | -10.2 | -31.2 | Moderate Decline |
| Mallard | -14.9 | -12.2 | -25.2 | Moderate Decline |
| Ringed Plover | 64.5 | 15.9 | -21.5 | Intermediate Decline |
| Mute Swan | 72.2 | 3.3 | 34.8 | Stable or Increasing |
| Teal | 28.2 | 69.5 | 42.9 | Stable or Increasing |
| Sanderling | 98.0 | 51.6 | 47.0 | Stable or Increasing |
| Light-bellied Brent Goose | -25.7 | 1.4 | 53.1 | Stable or Increasing |
| Cormorant | 72.2 | 43.1 | 66.1 | Stable or Increasing |
| Little Egret | 35.1 | 156.7 | 381.2 | Stable or Increasing |
Species Analysis
Light-bellied Brent Goose
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -25.7 | 1.4 | 53.1 |
| National | -11.2 | 1.2 | 93.3 |
Mute Swan
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 72.2 | 3.3 | 34.8 |
| National | 4.6 | 9.6 | 13.8 |
Shelduck
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -26.7 | -10.2 | -31.2 |
| National | 6.3 | -0.8 | 9.3 |
Wigeon
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -39.4 | -30.8 | -41.1 |
| National | 0.9 | -17.0 | -18.2 |
Mallard
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -14.9 | -12.2 | -25.2 |
| National | -11.3 | -19.7 | -19.1 |
Teal
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 28.2 | 69.5 | 42.9 |
| National | 1.8 | 5.7 | 19.4 |
Red-breasted Merganser
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -3.1 | -1.6 | -36.4 |
| National | -12.9 | 5.2 | -14.7 |
Little Grebe
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -22.4 | -23.0 | -55.9 |
| National | 6.1 | 16.7 | 38.2 |
Oystercatcher
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -42.7 | -41.1 | -50.4 |
| National | -17.5 | -31.1 | 10.8 |
Lapwing
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -56.0 | -83.3 | -91.0 |
| National | -6.5 | -45.1 | -63.9 |
Golden Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -83.9 | -94.5 | -94.0 |
| National | -16.9 | -58.1 | -54.1 |
Grey Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -86.4 | -78.7 | -93.2 |
| National | -30.6 | -39.4 | -57.8 |
Ringed Plover
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 64.5 | 15.9 | -21.5 |
| National | -4.3 | -26.8 | -1.1 |
Curlew
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -24.1 | -29.8 | -58.2 |
| National | -9.4 | -23.7 | -43.1 |
Bar-tailed Godwit
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -70.5 | -71.9 | -71.8 |
| National | -32.6 | -13.9 | -5.1 |
Black-tailed Godwit
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -62.9 | -68.3 | -39.1 |
| National | 22.5 | 25.0 | 92.3 |
Turnstone
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -63.2 | -82.4 | -81.3 |
| National | -33.6 | -46.0 | -23.7 |
Knot
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -95.3 | -87.7 | -92.2 |
| National | 0.0 | -12.2 | -9.8 |
Sanderling
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 98.0 | 51.6 | 47.0 |
| National | -23.8 | -11.1 | 84.6 |
Dunlin
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -81.0 | -84.8 | -92.6 |
| National | 5.9 | -21.2 | -45.2 |
Redshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -42.6 | -56.9 | -43.4 |
| National | -14.0 | -28.4 | 6.7 |
Greenshank
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -38.9 | -40.0 | -35.3 |
| National | 0.9 | 7.3 | 41.0 |
Cormorant
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 72.2 | 43.1 | 66.1 |
| National | 38.5 | 8.4 | 42.9 |
Grey Heron
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | -22.5 | -19.8 | -41.1 |
| National | 1.0 | -4.9 | 6.6 |
Little Egret
| Site | 5 Year | 12 Year | 23 Year |
|---|---|---|---|
| Killala Bay | 35.1 | 156.7 | 381.2 |
| 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)