Quiscalus mexicanus
(Great-tailed Grackle)

Order: Passeriformes
Order Description: Passerines
Family: Icteridae
Family Description: Blackbirds, Orioles, & Meadowlarks

Physical Description:
Length 15-18". Male IridescentClick word for definition blue-black with a long keeled tail and a yellow eye. Female brown backed with a buffyClick word for definition chest and breast.

Similar species- Common Grackle is smalller, Brewer's Blackbird has shorter tail.

A series of loud clacks and whistles, raucous.

Texas, New Mexico, Arizona, and rapidly expanding into Nevada, southern Oregon, and southern Idaho. Irrigated agriculture has allowed the expansion of the species throughout the West.

Marshes and riparianClick word for definition zones near rivers, as well as open farmlands with scattered groves of trees, and around human habitation.

Insects, fruit, grain, and seeds, as well as lizards, bird eggs, and ectoparasitesClick word for definition off domestic stock.

Nest in colonies, where they displace native species either directly or by eating their eggs and young. Frequently feed aroundlivestock, where they are loud and vocal birds.

PromiscuousClick word for definition. Female builds a cup nest in reeds or brush where she lays 3-5 eggs. They are incubated by the female only for 13-14 days, and young are fed by the female for anouther 20-23 days. Nested in Marshing area along the Snake River, probably near Lake Lowell, and near Burley.

Element Code: -
Status: Protected nongame species
Global Rank: G?
State Rank: S?
National Rank: -

Important State References:
No references are available at this time.

Information and photo by C. Trost,© 2000
Photo by Marcus Martin, ©1999.
Design by Ean Harker© 2000.
DAI layout by Mike Legler. 2000.