Currently the “Bambini” collection consists of about 320 samples, 280 birds and 40 mammals. It almost completely represents the ornithological heritage of the Umbrian Apennines.
During its first period of formation (1969-1978), mainly local species characteristic of woodland, marsh, river, rural eco systems and inhabited centers of the Upper Tiber Valley and some typical elements of the ridge became part of the collection. Umbrian-Marche Apennines coming from the passes of Bocca Trabaria and Bocca Serriola. During the second period of formation (1980-1985) the number of pieces in the collection increased thanks to the acquisition of specimens of external origin, in particular of species typical of marine environments and of the Alpine arc and other species from Eastern Europe. and northern.
As for the specimens collected locally, but coming from even very distant regions, perhaps due to the negative influence of atmospheric agents during long migratory journeys, the finding, accidental for Italy, of an Umbra or Chlamydo¬tis is very important. wavy, currently living in North Africa and Asia. Also preserved in the museum are species unknown to central Italy such as the pink flamingo, present in Italy only in Sardinia, and so-called “anomalous” forms such as the white blackbird. The latter represents in fact a typical example of albinism, that is the lack of the natural coloration of the feathers due to which they are white only in some parts or even on the whole body. Many birds are kept in the museum that show marked sexual, seasonal or juvenile dimorphism, that is, different forms for the same species depending on the sex, season or age of the specimen.