The Baltimore Oriole likes ripe, dark-colored fruit; cherries, mulberries ,dark grapes, etc. Besides the fruit they will eat; insects, spiders, grasshoppers, beetles, caterpillars, and fall web worms, just to name a few.
To attract the Orioles to your yard, put out oranges and ripe dark grapes that have been cut in half. Plus plant nectar-bearing flowers, and crab apple trees, etc.
The Baltimore Oriole will breed in North America and will migrate to Central and South America for the winter.