Mechanical Interest
Archimedes Screw, Mechanical Water Pump.
Archimedes Screw Water Pump:
(Whinlatter Forest, England, UK)
South African Bird and Nature Videos:
Common Fiscal Calling:
Rock Kestrel:
Lithops Flowering Timelapse:
Red-knobbed Coot, Rietvlei Dam:
White-breasted Cormorant (Preening):