He described a number of birds and mammals of the Quaternary Period from fossils obtained from Cuban caves.
Born in a family of ordinary means with six other siblings, he studied at the local public school (number 33).
In 1936 he sang with tango music groups for various radio stations and was an actor in the local theatre.
In order to join the expeditions of the Speleological Society of Cuba, he began to work as a postman, a job he held for the 36 years before retiring in 1984.
[2] Arredondo's work on paleontology was mostly on the birds and mammals of the Quaternary, and he described a Cuban condor (he placed it in the genus Sarcoramphus, but it was later identified as Titanohierax borrasi[3]), an eagle, several owls, including the giant Ornimegalonyx and a Teratorn.