“Cardinals build their nests right in the branches of trees and shrubs usually one to 15 feet off the ground. They will find a dense shrub or evergreen tree and weave their nest,” says Mizejewski.

Cardinals flock together in winter, so it's possible to see dozens of visitors during this time if your yard is fully stocked. However, there are a few mistakes you'll want to avoid if you want to ...

Cardinals have such a frenetic nesting season — a pair raises two broods during the summer — that they need to pair up and begin nesting quickly. Fun fact: Both male and female cardinals sing.

Baby cardinals and hooded warblers may be ready to leave the nest and attempt to fly only nine days after hatching. For bluebirds and brown-headed nuthatches, it may take 16-21 days.