From the Reise der österreichischen Fregatte Novara [...] Zoologischer Theil, 1. Band: Wirbelthiere, A. Pelzeln, "Vögel":"This species roams around the parasitic plants that are very often found on the poplars planted around Santiago. Zlbr. [Zelebor]. The expedition collected three birds, a nest and an egg" (p. 54).