Common Grasshopper Warbler. Alternate name on piece: Locustella avicula and botanical [Grasshopper warbler] Highly finished painting of "Pink SR", with birds roughed in; however, Gould calls the plant Clematis vitalba in his text. "18728.25.33"; "12/"--Sotheran price? Artist's name(s): Gould, John; Richter, Henry Constantine.