Fig. 1
From: Interspecific attraction between ground-nesting songbirds and ants: the role of nest-site selection
a The percentage of Wood Warbler Phylloscopus sibilatrix nests and control points at which a tussock of vegetation (grass, sedge or fern), fallen branch (≥ 1 and < 5 cm diameter), or a tree log (≥ 5 cm diameter) was present, and b the percentage of ant colonies using different features near to bird nests and controls in 2018–2020. ‘Other’ features used by ants included: decayed wood, fallen spruce bark, a standing tree or stump, soil, tree root, bracket fungus, spruce cone, molehill