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Merlin Bird ID

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    Northern Pygmy-Owl Identification

    The Four Keys to ID

    • Size & Shape

      The Northern Pygmy-Owl is small and compact, with a large, circular head that lacks ear tufts. The tail is long and the wings are fairly short and rounded.

      Relative Size

      Smaller but plumper than a Mountain Bluebird; larger than an Elf Owl.

      Relative Sizerobin sizedrobin-sized
      Measurements
      • Both Sexes
        • Length: 6.3-7.1 in (16-18 cm)
        • Weight: 2.1-2.5 oz (60-70 g)

    Regional Differences

    Individuals along the wet Pacific slope are darker and browner and have a fairly slow trill; Northern Pygmy-Owls in the drier Rocky Mountains down through Mexico are lighter and grayer with a faster trill.