Markus Varesvuo / Spotless starling (Sturnus unicolor) juvenile perched on wire, Spain, September

Markus Varesvuo / Spotless starling (Sturnus unicolor) juvenile perched on wire, Spain, September

Markus Varesvuo / Spotless starling (Sturnus unicolor)bthree perched on branch, Spain, September

Andres M. Dominguez / Spotless Starling (Sturnus unicolor), Cadiz, Spain

Christine Jung / Spotless Starling (Sturnus unicolor), Extremadura, Spain

Wild Wonders of Europe / Widstrand / Spotless starling (Sturnus unicolor) perched on twig, La Serena, Extremadura, Spain, March 2009

Roger Powell / Spotless Starling {Sturnus unicolor} in territorial song from rooftop, Castelo Branco, Portugal

Roger Powell / Social gathering of Spotless Starlings {Sturnus unicolor} on rooftop television aerial, Alcantara, Spain

Roger Powell / Spotless Starling {Sturnus unicolor} singing from roof over its territory, Castelo Branco, Portugal

Roger Powell / Spotless Starling {Sturnus unicolor} singing from corner of wall, Castelo Branco, Portugal

Roger Powell / Spotless Starling {Sturnus unicolor} singing from its nest site in old stone wall, Castelo Branco, Portugal

Roger Powell / Spotless Starling {Sturnus unicolor} bringing nesting material to its nest site in an old stone wall, Castelo Branco, Portugal