Stock Photo: Zoology - Birds - Passeriformes - European Robin (Erithacus rubecula) fighting; Black-eared Wheatear (Oenanthe hispanica), Black Redstart (Phoenicurus ochruros), Whinchat (Saxicola rubetra), Common Redstart (Phoenicurus phoenicurus), Wheatear (Oenanthe oenanthe), illustration