 Much of their native habitat has not been cleared, especially in the southern portions of their range.This is a very large grebe, with proportions more like a goose or a cormorant then a typical grebe.They range in length from 67–80 cm (26-32 inches) and usually weigh about 1600 grams (3.5 lb), but can scale to at least 2 kg (4.4 lb).