Rando J, Pieper H, Olson SL, Pereira F, Alcover J.

A new extinct species of large bullfinch (Aves: Fringillidae: Pyrrhula) from Graciosa Island (Azores, North Atlantic Ocean)

. Zootaxa [Internet]. 2017 Jun. 27 [cited 2025 Apr. 13];4282(3):567–583. Available from: https://mapress.com/zt/article/view/zootaxa.4282.3.9