THROUGH MY LENS - Red -knobbed Coot in South Africa

This is another bird I photographed when I walked down to the lake while staying with frineds at their home in Johannesburg, south Africa. 

Red-knobbed Coot

36–44 cm

The most aquatic rail; sometimes mistaken for a duck; swims well, aided by long, lobed toes. Adult black with a white bill and frontal shield. The dull red knobs on top of the shield are larger in breeding birds. Juv. is grey, with small frontal shield; lacks whitish flank line and undertail coverts of smaller juv. Common Moorhen. 

Voice: Harsh, metallic ‘claak'.  Common to abundant resident at dams, lakes, slow-flowing rivers and estuaries. Often feeds by upending or diving.

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