Black Swift vs White-collared Swift
Cypseloides niger versus Streptoprocne zonaris
Play a quiz with Black Swift and White-collared Swift
Black Swift
White-collared Swift
In short
The White-collared Swift is distinguished by its prominent white collar, which the Black Swift lacks. Both species are dark overall, but the White-collared Swift's white collar is a reliable field mark. They are similar in size, but the White-collared Swift is generally larger.
Identification tips
Look for the white collar on the White-collared Swift, which is absent in the Black Swift. Size can also be a clue, with the White-collared Swift being larger.
Size
The White-collared Swift is generally larger than the Black Swift.
Plumage
The White-collared Swift has a distinctive white collar around its neck, which is absent in the Black Swift. Both species are otherwise dark in plumage.