The estancia is a top location for bird watching.

Year-round the bird life is interesting. The location of the farm on the edge of various microclimates...on the boundary of the pampas and the start of the high country leading to the Andes, between the arid north and the lush south, as well as being on the tree line, make the estancia a top location for bird watching. From a letter to his family by Paul MacDermot.

“One of my jobs was to help in compiling a bird list and, one by one, more species were added to it. A couple of condors were briefly seen, and roosting in the bushes near the house one day were a pair of absurdly tame horned owls about 6 inches long. Other wildlife spotted were some Cuis (guinea pig) and a wild pig with a baby, which is a rare sight.”

Maurice Rumboll, an ornithologist who has co-authored the Collins Illustrated Checklist of the birds of Southern South America, visited with his family one day. Robin decided to pull his leg by claiming an ability to call down the local Black Vultures. He whistled a bit then took us round the corner of the house to show us two of them sitting in a tree just above the kitchen (where, of course, they'd been sitting all the time). Maurice called his bluff in a remarkable display. He went off whistling tu.tu.tu.tu.tu.tu. tu. on the note of C. Soon there came an identical reply getting closer and closer, and in came a Ferruginous Pygmy Owl looking to see off his rival. Robin’s later attempts to emulate this feat were all unsuccessful.