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  20090609_173535 D300 X1.jpg - There is a complex pressure regulation system which prevents excess blood from flowing to the brain when it lowers its head to drink.  Giraffes have been known to pass out after lowering their heads to drink  
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4 | There is a complex pressure regulation system which prevents excess blood from flowing to the brain when it lowers its head to drink. Giraffes have been known to pass out after lowering their heads to drink
Photographer: Fred SeligmanMD | Camera: NIKON D300 | Date: 6/9/09 5:35 PM | Resolution: 4261 x 2840 | ISO: 800 | Exp. Time: 1/800s | Aperture: 11.0 | Focal Length: 200.0mm (=305mm) | Location: Little Ongava Game Reserve (Etos | Country: Namibia | Copyright: Copyright 2009 Fred Seligman MD | See map
Total images: 23 | Last update: 8/19/09 3:21 PM | HomePage | Africa | Help