Renter; Existing cavities. Cavities in rocks containing in one case a single cell.
Nesting material: Brood cells and nest plug are made of mud without addition of pebbles. (Le Goff, 2005; personal observation; Müller, 2018).
%LABEL% (%SOURCE%)
Renter; Existing cavities. Cavities in rocks containing in one case a single cell.
Nesting material: Brood cells and nest plug are made of mud without addition of pebbles. (Le Goff, 2005; personal observation; Müller, 2018).
%LABEL% (%SOURCE%)