Because Empidonax species can appear so similar, they are better identified by their unique calls. The easy-to-remember Alder’s call is “free beer!”
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 18, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 18, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 18, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 19, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 18, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 20, 2011 ©John Schwarz
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Alder Flycatcher
Sax Zim Bog, St. Louis County, MN
June 17, 2011 ©John Schwarz
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Alder Flycatcher
White Memorial, Litchfield, CT
June 4, 2014 ©John Schwarz
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Alder Flycatcher
Hammonasset State Park, Madison, CT
May 23, 2017 ©John Schwarz
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Alder Flycatcher
Hammonasset State Park, Madison, CT
May 23, 2017 ©John Schwarz
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Alder Flycatcher
Hammonasset State Park, Madison, CT
May 23, 2017 ©John Schwarz
