Karl Martens

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  Blue Tit (Unframed)
  
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  Barn Owl (Unframed) (London Gallery)
  
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  Long-Eared Owl (Unframed)
  

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  Short-Eared Owl (Unframed)
  
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  Barn Owl (London Gallery)
  
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  Wren I (London Gallery)
  

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  Wren II (Hungerford Gallery)
  
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  Grey Heron Flying (Unframed)
  
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  Northern Harrier Flying (Unframed) (London Gallery)
  

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  Jay I (Unframed) (London Gallery)
  
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  Jay II (Unframed) (London Gallery)
  
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  Osprey (Unframed) (London Gallery)
  

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  Goshawk (Unframed) (London Gallery)
  
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  Pochard Flying (Unframed) (London Gallery)
  
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  Gadwall Flying (Unframed) (London Gallery)
  

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  Ravens II (Unframed) (London Gallery)
  
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  Golden Eagle Flying I (Unframed) (London Gallery)
  
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  Jay Flying II (Unframed) (London Gallery)
  

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  Golden Eagle (Unframed) (London Gallery)
  
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  Golden Eagle Flying II (Unframed) (London Gallery)
  
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  Sandwich Terns
  

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  Dove (Unframed) (London Gallery)
  
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  Red Grouse I (Framed) (London Gallery)
  
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  Red Grouse II (Framed) (London Gallery)
  

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  Wood Warbler (Hungerford Gallery)
  
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  Bald Eagle (Unframed) (London Gallery)
  
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  Pochard Female (Framed) (London Gallery)
  

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  Kestrel (Unframed) (Hungerford)
  
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  White Tailed Eagle (Framed) (London Gallery)
  
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  Pochard Male (Framed) (London Gallery)
  

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  Sandwich Tern (Hungerford Gallery)
  
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  Great Black Backed Gull (Hungerford Gallery)
  
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  Pheasant (Female) (Hungerford Gallery)
  

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  Smew Male and Female (Unframed) (Hungerford Gallery)
  
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  Golden Eagle (Hungerford Gallery)
  
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  Bittern (Unframed) (Hungerford Gallery)
  

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  Common Loon (Unframed) (Hungerford Gallery)
  
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  Ravens III (Unframed) (Hungerford Gallery)
  
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  Ravens IV (Unframed) (Hungerford Gallery)
  

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  Golden Eagle (London Gallery)