[1] In this private museum one will find important Phelps family study books, as well as 8000 scientific volumes in the library,[2] more than 83,000 anatomical specimens, more than 80,000 skins, etc.

In 2005, an investigation was carried out on "plumage differences in four subspecies of golden warbler Basileuterus culicivorus in Venezuela".

The Foundation has had an important global trajectory for which it is recognized and is a regional compulsory study resource on tropical birds for experts who want to know more about this area.

[5] In March and April 1977, the Phelps Ornithological Collection, with the collaboration of the Venezuelan-Brazilian Border Commission, Demarcador de Limites, carried out a collection of birds at Cerro Urutaní (62 ° 05'W, 3 ° 40'N), which is a low altitude tepui on the Venezuelan-Brazilian border in the Sierra Pacaraima.

A total of 511 specimens of birds were collected between 1150 and 1280 meters high s.n.m., representing 78 different species.