The brilliant red of a male Northern Cardinal calls attention to itself when males are around. You can also find cardinals by getting a sense of the warm, red-tinged brown of females – a pattern you can learn to identify in flight. Away from backyards, cardinals are still common but inconspicuous owing to their affinity for dense tangles. Listen for their piercing chip notes to find where they are hiding.
Nearly any bird feeder you put out ought to attract Northern Cardinals (as long as you live within their range), but they particularly seem to use sunflower seeds. Leave undergrowth in your backyard or around the edges, and you may have cardinals nesting on your property. Find out more about what this bird likes to eat and what feeder is best by using the Project FeederWatch