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11 | They sleep in the water by resurfacing to breath every 3-5 min. They will do this automatically even when sleeping without awakening |
Photographer: Fred Seligman MD | Camera: NIKON D300 | Date: 6/15/09 7:01 PM | Resolution: 3902 x 2602 | ISO: 640 | Exp. Time: 1/200s | Aperture: 4.0 | Focal Length: 200.0mm (=305mm) | Location: Selinda Spillway | Country: Botswana | Copyright: Copyright 2009 Fred Seligman MD | See map |
Total images: 26 | Last update: 8/20/09 2:45 PM | HomePage | Africa | Help |