How do falcons differ from hawks in their nesting habits?

While hawks and falcons are both birds of prey, they belong to different taxonomic families and exhibit distinct nesting behaviors.1

Hawks, which are primarily members of the family Accipitridae, typically construct their own nests using sticks. They generally prefer to build these structures in trees, though some species may nest on cliffs or the ground. Their eggs are typically off-white with brown spots.312

In contrast, true falcons (family Falconidae) generally do not build their own nests. Instead, they utilize existing sites such as hollow trees, cliff ledges, or the abandoned nests of other birds. Their eggs are also distinct, ranging in color from dull white to dark tan with reddish-brown speckles. These differences in nesting strategies reflect the unique evolutionary adaptations of each group to their respective environments.31