How do you know if a dove is a diamond dove?

A diamond dove is classified by it's size, call, and markings. These doves are typically the size of a canary or budgie and, while they come in a variety of coloration you're most likely to see a blue-grey bird with white speckled wings. Generally, the beak is black with whitish nares. Around either eye will be a red orange ring. Their calls are soft and pleasant, ranging from coos to low shrills.