Roberto Straneck: recording of patagonian birds. Track 1″Sayhueque” (at the beginning and at the end) “Chucao” bird (Scelorchilus rubecula) Its powerful song resounds in the woods of the Nahuel Huapi National Park in Patagonia. End of track 2 and beginning of track 3: colonies of Magallanic pinguins. Track 4 “Magallanes” Black-Crowned Night-Heron (Nycticorax nycticorax) Usually at night, its harsh sharp song can be heard at the seashore of the of Tierra del Fuego island and the Magellan Strait. Track 5 “Fuegia & Jemmy” a) sounds emitted by “ballena Franca” whales (Balaena australis), highly coveted by the indians of the Magellan Strait and later by european seamen of the XVII and XVIII centuries. b) Original recording of a ritual song of extinguished indian tribes of the southernmost tip of Patagonia.