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  • Results for
    • Tengmalm's Owl
  • (104)
Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) chick, Jura, Switzerland, April.
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Laurent Geslin / Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) chick, Jura, Switzerland, April.
Scientists examining mice left for chicks in Tengmalm's / Boreal owl (Aegolius funereus) nest by parents, Jura, Switzerland. May 2015.
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Laurent Geslin / Scientists examining mice left for chicks in Tengmalm's / Boreal owl (Aegolius funereus) nest by parents, Jura, Switzerland. May 2015.
Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) Jura, Switzerland. April 2015.
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Laurent Geslin / Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) Jura, Switzerland. April 2015.
Tengmalm's / Boreal owl (Aegolius funereus) chick in nestbox with mice prey, during bird ringing Jura, Switzerland. April.
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Laurent Geslin / Tengmalm's / Boreal owl (Aegolius funereus) chick in nestbox with mice prey, during bird ringing Jura, Switzerland. April.
Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) Jura, Switzerland.
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Laurent Geslin / Naturalist ringing Tengmalm's / Boreal owl (Aegolius funereus) Jura, Switzerland.
Naturalist removing Tengmalm's / Boreal owl (Aegolius funereus) from nest box to be ringed. Jura, Switzerland. April 2015.
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Laurent Geslin / Naturalist removing Tengmalm's / Boreal owl (Aegolius funereus) from nest box to be ringed. Jura, Switzerland. April 2015.
Tengmalm's / Boreal owl (Aegolius funereus) looking out of nest in tree hollow, Switzerland. May.
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Laurent Geslin / Tengmalm's / Boreal owl (Aegolius funereus) looking out of nest in tree hollow, Switzerland. May.
Boreal Owl (Aegolius funereus) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic
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Juergen & Christine Sohns / Boreal Owl (Aegolius funereus) in winter, Zdarske Vrchy, Bohemian-Moravian Highlands, Czech Republic
Tengmalm's owl (Aegolius funereus) adult looking out of nest hole in tree. Finland. June.
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Jussi Murtosaari / Tengmalm's owl (Aegolius funereus) adult looking out of nest hole in tree. Finland. June.
Boreal Owl (Aegolius funereus) in nest cavity, Alaska
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Michael Quinton / Boreal Owl (Aegolius funereus) in nest cavity, Alaska
Boreal Owl (Aegolius funereus) in nest cavity, Alaska
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Michael Quinton / Boreal Owl (Aegolius funereus) in nest cavity, Alaska
Tengmalm's owl (Aegolius funereus) perched in lichen covered tree, Czech Republic, November. Captive.
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Ben Hall / Tengmalm's owl (Aegolius funereus) perched in lichen covered tree, Czech Republic, November. Captive.