Breeding starts from March to July where they lay clutches of 2–3 eggs, that are palish pink with brownish brown spot.

An insectivore, the species's diet consists of grasshoppers, caterpillars, cicadas, beetles and aphids and is complemented with spiders, anoles, and berries.

[2] A study from the 1973–1996 measured the survival rates of Puerto Rican Vreo, by using mist netting techniques in Guiana forest which is 4000 hectares.

This was evident as the main problem because of no negative decrease in other insectivore birds such as Puerto Rican Flycatcher(Myiarchus antillarum) and the Adelaide's Warblerr (Dendroica adelaidae).

Deforestation and removal of shade coffee plantations also destroys the local ecosystem displacing the vireos.

The longevity record for the Puerto Rican Vireo is 13 years and 2 months this was found through banding and recapturing.