Advertisement call of Brachycephalus herculeus, new species (FNJV 58774), recorded at Parque Estadual do Desengano, municipality of Santa Maria Madalena, state of Rio de Janeiro, Brazil, 23 February 2011, at 16:00 p.m., air temperature 20.1°C, relative air humidity 88%. A Spectrogram (above) and oscillogram (low quality; below) of four consecutive calls (or notes), B Spectrogram (above) and oscillogram (low quality; below) of one pulsed call (or note).

 
 
  Part of: Folly M, Condez TH, Vrcibradic D, Rocha CFD, Machado AS, Lopes RT, Pombal Jr. JP (2024) A new species of Brachycephalus (Anura: Brachycephalidae) from the northern portion of the state of Rio de Janeiro, southeastern Brazil. Vertebrate Zoology 74: 1-21. https://doi.org/10.3897/vz.74.e103573