Black Swift Identification

The Four Keys to ID

  • Size & Shape

    A large swift with long, curved, and pointed wings. The tail is slightly notched, but often appears square. It has a tiny, almost invisible bill and very small feet.

    Relative Size

    Larger than a Vaux's Swift, slightly smaller than a Purple Martin.

    Relative Sizebetween sparrow and robinbetween sparrow and robin
    Measurements
    • Both Sexes
      • Length: 7.1-7.2 in (18-18.4 cm)
      • Weight: 1.4-1.9 oz (40-55 g)