publicações selecionadas First collected specimen of Trachycephalus hadroceps (Duellman & Hoogmoed, 1992) (Anura, Hylidae) from Brazil Vocalizations, morphological variation, and morphometry of Pristimantis gutturalis (Anura: Strabomantidae) Leptodactylus macrosternum Miranda-Ribeiro, 1926 (Anura: Leptodactylidae) preyed upon by Lygophis lineatus (Linnaeus, 1758) (Serpentes: Dipsadidae), with notes on its distress call Aggressive interaction in the Hoogmoed Harlequin Toad Atelopus hoogmoedi (Anura: Bufonidae), with the description of its encounter call First records of Scinax ruberoculatus Ferrão, Fraga, Moravec, Kaefer & Lima, 2018 (Anura, Hylidae) in the state of Amapá, eastern Amazon, Brazil, with comments on its vocalization and distribution Leptodactylus macrosternum Miranda-Ribeiro, 1926 (Anura: Leptodactylidae) preyed upon by Lygophis lineatus (Linnaeus, 1758) (Serpentes: Dipsadidae), with notes on its distress call