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Oscillogram (lower, blue) and sonogram (upper, gray) of the advertisement calls of 10 acoustically co-occurring frog species at Panguana, Peru. A1, Allobates sp. 1; A2, Allobates sp. 2; A3, Allobates sp. 3; Af, Allobates femoralis; Ah, Ameerega hahneli; Ape, Ameerega petersi; Api, Ameerega picta; At, Ameerega trivittata; La, Leptodactylus andreae; RI, Ranitomeya lamasi.
