Dataset Details - National Lesser Horseshoe Bat Database
Dataset containing the counts made of know Lesser Horseshoe bat roosts to track population change.
20/01/2012
16/06/2025
The data is collected to determine and track changes to the national population of Lesser Horseshoe Bat to guide conservation efforts. This species is listed in Annex II and Annex IV of the EU Habitats Directive.
The data was collected from different types of count methods.
Island of Ireland
Early 1980s to 2011
Data is to high quality. All counts were made by bat workers or staff of National Parks and Wildlife Service.
Records are added to the database on an ongoing basis.
National Parks and Wildlife Service website http://www.npws.ie/
Open (Creative Commons CC-BY 4.0)
National Parks & Wildlife Service, Department of Housing, Local Government and Heritage, National Lesser Horseshoe Bat Database, National Biodiversity Data Centre, Ireland, accessed 04 November 2025, <https://maps.biodiversityireland.ie/Dataset/127>
Dataset species distribution
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of species recorded within each 10km grid square (ITM).Marine Map - 50Km
Marine Map - 50Km
Distribution of the number of species recorded within each 50km grid square (WGS84).Dataset record distribution
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records within each 10km grid square (ITM).Marine Map - 50Km
Marine Map - 50Km
Distribution of the number of records within each 50km grid square (WGS84).Dataset Contacts
Deirdre Lynn
NPWS, 7 Ely Place, Dublin 2, Ireland.
+353-1-8883293
Records per year
Species per year
Date Statistics
| Resolution | No. records |
|---|---|
| Day | 3988 |
| Day Range | 176 |
1974
2015
Record Statistics
4164
1
8
0
| Resolution | No. records |
|---|---|
| 100m | 0 |
| 1km | 4164 |
| 2km | 0 |
| 10km | 0 |
| 50km | 0 |
Dataset Attributes
| Attribute | Description |
|---|---|
| Abundance | Measure of abundance of the organism recorded. |
| County | Name of administrative county within which the record was made. |
| Determiner name | The name of the person(s) who verified the identification - used for verify records of difficult taxa |
| Type of sighting | The nature of the sighting; whether it was of a live animal, trapped, dead on road, den, etc. |
Recorded Species
| TaxonId | PrefnameTaxonId | Name | Authority | Group | Rank | Records |
|---|---|---|---|---|---|---|
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