Juvenile, presumably Mountain rather than White-throated.
Reserva Nacional Pingüino de Humboldt
Ranita de Darwin (Rhinoderma darwinii) observada en el sendero El Tepual del Parque Nacional Chiloé, comuna de Chonchi, Chile.
Playero calidaris de patas amarillo verdosas
Parque Nacional Torres del Paine. Exact location not recorded.
Near Amarga, Parque Nacional Torres del Paine. Consensus identification after much discussion. See also https://www.inaturalist.org/observations/36149838 (same bird).