Karl Martens

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  Barn Owl (Unframed)
  
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  Grey Heron Flying (Unframed)
  
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  Northern Harrier Flying (Unframed)
  

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  Jay I (Unframed)
  
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  Jay II (Unframed)
  
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  Long Eared Owl Flying (Unframed)
  

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  Red Kite I (Unframed)
  
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  Red Kite Flying I (Unframed)
  
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  Osprey (Unframed)
  

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  Barn Owl Flying (Unframed)
  
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  Osprey Flying (Unframed)
  
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  Goshawk (Unframed)
  

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  Pochard Flying (Unframed)
  
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  Gadwall Flying (Unframed)
  
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  Ravens II (Unframed)
  

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  Golden Eagle Flying I (Unframed)
  
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  Jay Flying I (Unframed)
  
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  Jay Flying II (Unframed)
  

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  Red Kite Flying II (Unframed)
  
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  Golden Eagle (Unframed)
  
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  Golden Eagle Flying II (Unframed)
  

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  Long Eared Owl (Unframed)
  
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  Caspian Terns (Unframed) (London Gallery)
  
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  Sandwich Terns (Unframed) (Hungerford Gallery)
  

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  Dove (Unframed) (Hungerford Gallery)
  
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  Pygmy Owl (London Gallery)
  
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  Red Grouse I (Unframed) (Hungerford Gallery)
  

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  Red Grouse II (Unframed) (Hungerford Gallery)
  
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  Goshawk (Unframed)
  
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  Wood Warbler (Hungerford Gallery)
  

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  Bald Eagle (Unframed) (Hungerford)
  
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  Crane (Framed) (Cricket House)
  
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  Pochard Female (Framed) Hungerford Gallery
  

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

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  Sandwich Tern (Hungerford Gallery)
  
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  Great Black Backed Gull (London Gallery)
  
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  Hobby (framed)
  

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  Pheasant (Female) (Hungerford Gallery)
  
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  Smew Male and Female (Unframed) (Hungerford Gallery)
  
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  Kingfisher V (London Gallery)
  

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  Barn Owl (London Gallery)
  
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  Kingfisher VI (London Gallery)
  
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  Barn Owl (London Gallery)
  

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  Red Kite (Hungerford Gallery)
  
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  Snowy Owl, Female (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