We saw flocks of up to 1000 Greater Flamingos way out on the shallow sandbars of the Tagus River in Portugal, but close views were hard to come by. These birds, an adult in pink, and the immature more subdued in basic gray and dingy white, were in what I assume was still a tidal pool just at the edge of the estuary, just beyond where solid ground became the rule. My guide for Birds and Nature Tours Portugal assured me that they can be seen quite close when they congregate in the rice fields of the estuary, but we did not happen on any during my visit. Wonderfully impressive birds at any distance. Sony RX10iv at 600mm equivalent. Program mode. 1/1000th @ f4.5 @ ISO 100. Processed in Photoshop Express.