Yellow Bittern (Ixobrychus sinensis)
Habitat - Freshwater wetlands.
Shooting info - Candaba wetlands, Pampanga, August 16, 2010, 1D4 + 500 f4 L IS + Canon 1.4x TC, 475B/3421 support, manual exposure in available light, f/7.1, 1/1600 sec, ISO 500, near full frame