Merlin

Olive-sided Flycatcher Identification

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The Four Keys to ID

  • Size & Shape

    A stocky, barrel-chested flycatcher, with a large head and a heavy, long bill for its size. It has rather long wings that can make the tail look short.

    Relative Size

    Larger than a Western Wood-Pewee, smaller than a Western Kingbird.

    Relative Sizebetween sparrow and robinbetween sparrow and robin
    Measurements
    • Both Sexes
      • Length: 7.1-7.9 in (18-20 cm)
      • Weight: 1.0-1.4 oz (28-40.4 g)
      • Wingspan: 12.4-13.6 in (31.5-34.5 cm)

Regional Differences

A subspecies known as majorinus breeds in southern California and northern Baja California. These individuals have longer wings and tails than Olive-sided Flycatchers in the rest of the range.