Reserva ecológica Ciudad Universitaria, Nature reserve at Ciudad Universitaria campus, Buenos Aires, Argentina
The Reserva Ecológica Ciudad Universitaria-Costanera Norte is a protected area of 18 hectares in Belgrano, between the Río de la Plata shore and the UBA campus. It measures 730 metres long and up to 250 metres wide, and its artificial gulf, known to students as the pantano, holds ducks, herons and coipos.
The area was created in the 1960s through land reclamation for university expansion and initially remained bare and unused. Over time, native plants and animals naturally colonized the abandoned ground, gradually forming the ecosystem visible today.
The reserve serves as a working space where University of Buenos Aires students and researchers actively study environmental science and conduct field projects. It shows how education and nature conservation can coexist within an urban campus setting.
The reserve is accessible by bus lines 28, 33, 37, 42, 45, 107, and 160, or by the Belgrano Norte train to Ciudad Universitaria station. Visitors should wear sturdy footwear as paths cross through different habitats and the ground can be muddy or uneven depending on recent weather.
The reserve is home to more than 139 species. Its most interesting fauna lives in the artificial gulf formed by a tongue of Río de la Plata water that students call "el pantano", where ducks, herons and coipos concentrate.
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