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Limestone sink hole, Smoo Cave
10599
236
Sutherland - Durness and the Smoo Cave
Limestone sink hole with waterfall, Smoo Cave, Durness
25 July 2012
Limestone sink hole
10598
236
Sutherland - Durness and the Smoo Cave
Limestone sink hole. At this point the roof of the Smoo cave has collapsed due to the river previously flowing into the cave.
25 July 2012
Nuthatch, Dalzell Woods
01768
74
North Lanarkshire - Baron's Haugh and Dalzell Woods
Nuthatch perching above nest hole, Dalzell Woods
19 April 2008
Sand Martin nest holes in the bank of the Clyde, Baron's Haugh
18023
74
North Lanarkshire - Baron's Haugh and Dalzell Woods
Sand Martin (Riparia riparia) nest holes in the river cliff of the Clyde, Baron's Haugh, taken by David Palmar
06 May 2023
Nest hole of a Tawny Owl, RSPB Loch Lomond
17842
215
Loch Lomond - RSPB Loch Lomond
Nest hole of a Tawny Owl (Strix aluco), taken in Ring Wood, RSPB Loch Lomond by David Palmar
07 June 2023
Swift nest hole in Bicester, Oxfordshire
17784
176
Oxfordshire and Berkshire
Swift (Apus apus) nest hole in Bicester, Oxfordshire, taken by David Palmar. The Swift flies directly in under the gutter without pausing to rest and enters the hole to feed its young.
09 July 2022
Female Common Redstart, RSPB Loch Lomond
17384
215
Loch Lomond - RSPB Loch Lomond
A female Common Redstart (Phoenicurus phoenicurus) at its nest hole in a dead tree at RSPB Loch Lomond, in Scotland. Redstarts are cavity-nesting birds and nest preferably in open or semi-open Birch and Oak woodlands or in meadows with bushes and orchards, characterised by high horizontal visibility and by the presence of old trees, walls, rocks, and banks with suitable holes for nesting. However, natural holes are limited in Britain due to the lack of old-growth woodland, and Redstarts readily use human-made nest boxes when available, making them an easy species to observe and study. Taken by David Palmar from a distance to avoid disturbance. Description improved by Ilaria Lonero.
28 May 2022
Sand Martin nesting colony, River Endrick
17262
215
Loch Lomond - RSPB Loch Lomond
Sand Martin (Riparia riparia) nesting colony, River Endrick, from RSPB Loch Lomond, taken by David Palmar. Sand Martins burrow into sandy cliffs and river banks to make their nesting holes.
15 February 2022
Peat bund blocks the drainage from Flanders Moss raised bog
17147
33
Stirlingshire - Flanders Moss
View from the observation tower, Flanders Moss National Nature Reserve, Stirlingshire. A peat bund blocks the drainage from the raised bog, helping to raise the water table and re-wet the bog following previous drainage when ditches were dug and peat removed to create agricultural land. A wet bog is a carbon sink - it sequesters carbon, whereas a dry bog becomes a carbon source.
20 October 2021
Old drainage ditches, Flanders Moss
17146
33
Stirlingshire - Flanders Moss
View from the observation tower, Flanders Moss National Nature Reserve, Stirlingshire. Straight lines mark old drainage ditches, now blocked to re-wet the bog. A wet bog is a carbon sink - it sequesters carbon, whereas a dry bog becomes a carbon source.
