Great Crested Grebe
Podiceps cristatus
The great crested grebe is the largest species of grebe in the Old World, though some larger species occur in the Americas. They measure 46–51 cm (18–20 in) long with a 59–73 cm (23–29 in) wingspan and weigh 0.9 to 1.5 kg (2.0 to 3.3 lb). It is an excellent swimmer and diver, and pursues its fish prey underwater. The adults are unmistakable in summer with head and neck decorations. In winter, this is whiter than most grebes, with white above the eye, and a pink bill. Birds resident in warmer tropical and subtropical regions (particularly in subspecies P. c. infuscatus and P. c.
ID text from Wikipedia, CC BY-SA 4.0
Red-necked Grebe
Podiceps grisegena
The red-necked grebe is a medium-large grebe, smaller than the great crested grebe of Eurasia, and the western and Clark's grebes of North America, but noticeably larger than other northern grebe species. In breeding plumage, it has a black cap that extends below the eye, very pale grey cheeks and throat, a rusty red neck, dark grey back and flanks, and white underparts. The eyes are dark brown and the long, pointed bill is black with a yellow base.
ID text from Wikipedia, CC BY-SA 4.0
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