CHECK-LIST OF CALIFORNIA BIRDS. 



1 (i) iEchmophorus occidentalis (I^awrence) Coues, 



Western Grebe. 



Syn. — Podiceps clarkii; Podiceps occidentalis; Aichtnophorus occidentalis clarkii. 



Status — Fairly common winter visitant coastwise and to the larger bodies of water 



throughout the State ; remains through the summer on the lakes of the northern 



Sierras (Eagle Lake) where it is known to breed. 



2 (2) Colymbus holboelli (Reinhardt) Ridgway. 



HoLBoeLi. Grebe. 



Syn. — Podiceps cristatus; Podiceps cooperi. 



Status — Rare midwinter visitant along the seacoast south to Santa Barbara; San Fran- 

 cisco Bay. 



3 (3) Colymbus auritus Lrinnaeus. 



Horned Grebe. 



Syn. — Podiceps cornutus; Dytes auritus. 



Status — Rare midwinter visitant coastwise and on the larger lakes inland; recorded 

 south to the Colorado River, Riverside and Santa Barbara. 



4 (4) Colymbus californicus (Heerraann) Grinnell. 



American Eared Grebe. 



^YS.— Podiceps californicus; Podiceps auritus var. californicus; Dytes auritus var. califor- 

 nicus; Dytes yiigricollis californicus; Colymbus nigricollis californicus; Podicipes cali- 

 fornicus; Colymbus nigricollis. 

 Status — A common breeding species on many of the lakes of the interior, principally 

 those of the Transition and Boreal Zones; in winter, generally distributed in favorable 

 localities through the valleys; most abundant along the seacoast. 



5 r6) Podilymbus podiceps (Linnaeus) Lawrence. 



Pied-billed Grebe. 



Syn. — Podylymbiis lineatus; Podilymbus carolinensis; Podilymbus podicipes. 

 Status — Fairly common breeding species locally west of the Sierras: more generally dis- 

 tributed during migration; comparatively few pass the entire winter in the southern 

 part of the State coastwise. 



6 (7) Gavia imber (Gunnerus) Allen. 



Common Loon, 



Syn. — Colymbus glacialis\ Colymbus tor quatus; Urinator immer; Urinator imber. 

 Status — Fairly common winter visitant to the fresh water lakes of the interior; occas- 

 ional along the seacoast; breeds on the Boreal lakes of the northern Sierras. 



