Preliminary survey of avifauna of the Estação Ecológica do Cuniã in Porto Velho, northern Brazil Author Machado, Tatiana Lemos da Silva Author Marques de Oliveira, Uéslei Author Santos do Nascimento, Sheiliane Author Santos, Marcos Pérsio Dantas Author Manzatto, Angelo Gilberto text Check List 2021 2021-02-24 17 1 289 310 http://dx.doi.org/10.15560/17.1.289 journal article 10.15560/17.1.289 1809-127X Glaucidium hardyi (Vielliard, 1990) Records. BRAZIL – Rondônia • Porto Velho , Estação Ecológica de Cuniã ; first record on 24.VII.2017 ; sound record; trail L4 ; WA4045902 . Identification. This species is 15 cm long. It call is a sequence of 10–36 short, unmodulated whistles which are slightly descending in frequency and volume, lasting up to 3 seconds, and repeated at regular intervals.