Sven Zacek / Ural owl (Strix uralensis) nestling, Tartumaa county, Southern Estonia. May.
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Sven Zacek / Ural owl (Strix uralensis) female on the nest with nestling hidden under wing. Tartumaa, Southern Estonia. April.
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Sven Zacek / Ural owl (Strix uralensis) female and nestling on nest in tree stump. Tartumaa, Southern Estonia. May.
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Sam Hobson / Scientists handling Northern goshawk (Accipiter gentilis) nestling, part of an urban goshawk colour ringing study. Berlin, Germany. May. Nominated in the Melvita Nature Images Awards competition 2014.
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Sam Hobson / Northern goshawk (Accipiter gentilis) nestling ready to be ringed as part of urban goshawk colour ringing study. Berlin, Germany, May. Nominated in the Melvita Nature Images Awards competition 2014.
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Sam Hobson / Dr. Norbert Kenntner weighing a goshawk (Accipiter gentilis) nestling during research for his urban goshawk colour ringing project. Berlin, Germany, June 2014. Nominated in the Melvita Nature Images A...
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Kim Taylor / Common swift {Apus apus} nestling. Captive, UK
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Mike Wilkes / Starling feeding chick at nest (Sturnus vulgaris) Worcs, UK
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Pete Oxford / Great frigate bird feeding chick {Fregata minor} Genovesa, Galapagos.
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John Chan / Female Downy woodpecker (Picoides pubescens) feeding nestling, Southern California, USA, May.
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John Chan / Male Downy woodpecker (Picoides pubescens) feeding nestling, Southern California, USA, May.
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John Chan / Male Downy woodpecker (Picoides pubescens) feeding nestling, Southern California, USA, May.
