sialia

For instance, my little wood thrushes, as soon as they reached a sufficient age, called just like their relatives of the sylvan solitudes; my brown thrashers uttered the labial chirp of the species; my red-winged blackbird exclaimed "Chack! chack!" after the manner of his kind; my bluebirds expressed their feelings in the sad little purr of Sialia sialis; my flickers did not borrow the calls of the red-heads, but each clung to its own language; my catbirds mewed like poor pussy in trouble; and so on through the whole list.

Leander S. (Leander Sylvester) Keyser - Our Bird Comrades

Clarke's crow is more properly called Clarke's nutcracker a different genus. The road robin or chewink is fairly common in the thickets above the Lake. Nuttal's poor will, with its call of two syllables, is not infrequently heard at night. The silent mountain blue-bird, sialia arctica, is sometimes seen. So is the western warbling vireo.

George Wharton James - The Lake of the Sky: Lake Tahoe in the High Sierras of California and Nevada, its History, Indians, Discovery by Frémont, Legendary Lore, Various Namings, Physical Characteristics, Glacial Phenomena, Geology, Single Outlet, Automobile Routes, Historic Towns, Early Mining Excitements, Steamer Ride, Mineral Springs, Mountain and Lake Resorts, Trail and Camping Out Trips, Summer Residences, Fishing, Hunting, Flowers, Birds, Animals, Trees, and Chaparral, with a Full Account of the Tahoe National Forest, the Public Use of the Water of Lake Tahoe and Much Other Interesting Matter