327. Podicipes nigricollis.
THE EARED GREBE.
With black neck; from niger + collum.
Male 13"; 1 lb. Female 12". Legs greenish. Bill, from gape 1.2", curved upwards, black.— In summer: Broad streak of long, silky, orange-brown feathers behind eye. Foreneck black. Sides and flanks streaked orange. Above brownish black. Four inner primaries all white.— In winter : Eye-tuft wanting, and no rufous on flanks. C. and S. Europe, Africa, through C. Asia to China and Japan. Eggs (1.9 x 1.1) green. (B. 1616. S.F. i. 266.)
Also with foreneck black :—
P. californicus. 11 1/2". Similar to P. nigricollis, but with inner primaries ash-brown. From N. and C. America.
Also with foreneck and chest chestnut:—
P. auritus. 13 1/2". The Sclavonian Horned Grebe, With wide rufous band on each side of the crown. Circumpolar, ranging to Mediterranean and Caspian Seas, Japan, and N. United States.
Also with foreneck white:—
P. calipareus. 10 1/2". With forehead and crown pale brown. From S. America. P. juninensis. 11 1/2". With forehead and crown ashy. From Peru. P. taczanowskii. 11 1/2." With ear-coverts ashy, tinged golden. From C. Peru. Also with breast and belly chestnut:—
P. rollandi. 14". With ear-coverts white, and long feathers on side of head white, with black tips. From Falkland Isles.
(iii.) With no long hair-like feathers on sides of head or ear-coverts.