Common name.—Puerto Rican blackbird.
Natural prey.—Cockroaches, Puerto Rico (Wetmore, 1916): A few eggs (oöthecae) of cockroaches in stomachs.
Black bird
Experimental prey.—Pycnoscelus surinamensis, U.S.A., Florida (Sanders, 1928).
Family FRINGILLIDAE
Passer domesticus (Linnaeus)
Common name.—English sparrow.
Natural prey.—Pycnoscelus surinamensis, Hawaii (Illingworth, 1931; Schwabe, 1950b): Remains of this cockroach were found in the stomach of the sparrow.
Sparrow
Natural prey.—Periplaneta americana, England (Lucas, 1908, 1920).