Appearance
With a total length of 48–64 cm, it is the second largest extant member of the family Rallidae, after the takahe from New Zealand, and adults are considered functionally flightless. It is the only coot with reddish legs. It has a small white frontal shield. Its beak is tipped black. An adult male weighed 2.7 kg while three adult females weighed 2.03–2.4 kg.Reproduction
As in the related horned coot, the giant coot is monogamous and the pair builds a huge nest in a highland lake. However, unlike the horned coot, the nest of the giant coot is primarily made of aquatic vegetation and – as it is fiercely territorial – it never forms colonies.References:
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