Sandra is a PhD in Science, mention Ecology, researcher of the Institute of Zoology and Tropical Ecology, of the Faculty of Sciences of the Central University of Venezuela. She has developed her research in bird ecology, the distribution of Antbirds in Venezuela, urban birds and since 2005 with shorebirds ecology, evaluating its dynamic temporal and spatial on the coast at stopover sites in Venezuela.

Her studies with shorebirds began with the study of seasonal use in the lagoons in the Cuare Wildlife Refuge in Falcón state. She developed research about the availability of prey for shorebirds, nesting sites for resident species and seasonality of migratory species in the coastal wetlands of Falcón state. She was founding member of the Venezuelan Union of Ornithologists (UVO) and part of the directive staff in the period 2009 - 2013. She has coordinated and taugh, since 2016, five workshops for the identification and conservation of shorebirds in Venezuela with the support of the Western Hemisphere Shorebirds Reserve Networks