What is a likely identifying feature of the adult Prairie Falcon?

The adult Prairie Falcon is characterized by having a yellow cere, which is the fleshy area at the base of the beak that is often a key identifying feature in many raptor species. The vibrant yellow color of the cere can help distinguish the Prairie Falcon from other similar falcon species, making it easier for birdwatchers and falconers to identify them in the field.

In addition to the cere, adult Prairie Falcons may have other notable features such as a streaked belly and a relatively compact build, but the yellow cere stands out prominently and is particularly useful for identification. This feature aids not only in differentiating the Prairie Falcon from other birds of prey but also gives insight into their age and sex, as the cere color can vary among different species and developmental stages.