Portuguese Bis-bis Cited by user Dr. Lenaldo Vigo on 31 Jul 2023 O bis-bis (Regulus madeirensis) é um pássaro endémico do Arquipélago da Madeira, Portugal, e membro da família dos régulos.
English Madeira firecrest Cited by user Jimfbleak on 12 Jul 2010 The Madeira firecrest, Madeira kinglet, or Madeiracrest (Regulus madeirensis) is a very small passerine bird endemic to the island of Madeira.