Lambert M. SurhoneISBN: 978-6-1320-0145-0;
s back. All the genus are excellent swimmers and divers, and pursue their fish prey underwater. Adults have striking breeding plumage, with no difference between the sexes. In winter, the plumage is subdued whites and greys. The Black-necked, Colombian, Silvery and Junin Flightless Grebes are very closely related and were formerly sometimes separated as the genus Dyas. The Great Grebe has also sometimes been separated as the sole member of the genus Podicephorus.
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