Olive-backed Euphonias (Euphonia gouldi) have this distinctive call, which, to me, sounds a bit like an old "Selectric" typewriter! This one was recorded at La Selva (Costa Rica).
Olive-backed Euphonia (Euphonia gouldi). Here's an example of their mixed call/song, at El Gavilan lodge, Puerto Viejo de Sarapiqui (Costa Rica), 6/18/99. (A very Vireo-like thing to do!)
Olive-backed Euphonias (Euphonia gouldi) have this distinctive call, which, to me, sounds a bit like an old "Selectric" typewriter! Here's another example, from La Selva (Costa Rica).
