Blackbirds (Icteridae)

Common Grackle

Quiscalus quiscula. Omnivore — seeds, grain, insects, small animals.

Blackbirds (Icteridae)Common GrackleQuiscalus quiscula
Scientific name
Quiscalus quiscula
Length
11–13.4 in
Weight
2.6–5 oz
Nest
Bulky cup in dense conifers, often in loose colonies
Entrance hole
Does not use nest boxes
Clutch
4–6 eggs
Incubation
13–14 days
Broods
1–2 per season

Identification

  • Glossy black with bronze or purple iridescent head
  • Pale yellow eye
  • Long, keel-shaped tail

Voice

Rusty-gate squeak and harsh 'chack'.

Diet and feeding

Omnivore — seeds, grain, insects, small animals.

What do grackles eat? · Best feeder for grackles

Common Grackles by state and province

RegionStatusNesting
AlabamaYear-round residentMarch–June
AlbertaSummer breederMay–June
ArkansasYear-round residentApril–June
ColoradoSummer breederApril–June
ConnecticutSummer breederApril–June
DelawareYear-round residentApril–June
FloridaYear-round residentMarch–June
GeorgiaYear-round residentMarch–June
IllinoisYear-round residentApril–June
IndianaYear-round residentApril–June
IowaSummer breederApril–June
KansasYear-round residentApril–June
KentuckyYear-round residentApril–June
LouisianaYear-round residentMarch–June
MaineSummer breederMay–June
ManitobaSummer breederMay–June
MarylandYear-round residentApril–June
MassachusettsSummer breederApril–June
MichiganSummer breederApril–June
MinnesotaSummer breederMay–June
MississippiYear-round residentMarch–June
MissouriYear-round residentApril–June
MontanaSummer breederMay–June
NebraskaSummer breederApril–June
New BrunswickSummer breederMay–June
New HampshireSummer breederMay–June
New JerseyYear-round residentApril–June
New MexicoSummer breederApril–June
New YorkSummer breederApril–June
Newfoundland and LabradorSummer breederMay–June
North CarolinaYear-round residentApril–June
North DakotaSummer breederMay–June
Nova ScotiaSummer breederMay–June
OhioYear-round residentApril–June
OklahomaYear-round residentApril–June
OntarioSummer breederMay–June
PennsylvaniaSummer breederApril–June
Prince Edward IslandSummer breederMay–June
QuebecSummer breederMay–June
Rhode IslandSummer breederApril–June
SaskatchewanSummer breederMay–June
South CarolinaYear-round residentMarch–June
South DakotaSummer breederApril–June
TennesseeYear-round residentApril–June
TexasYear-round residentMarch–June
VermontSummer breederMay–June
VirginiaYear-round residentApril–June
West VirginiaYear-round residentApril–June
WisconsinSummer breederMay–June
WyomingSummer breederMay–June

Frequently asked

What do grackles eat?

Omnivore — seeds, grain, insects, small animals. At feeders: cracked corn, sunflower.

How big is a Common Grackle?

11–13.4 in long and 2.6–5 oz.

Do grackles use birdhouses?

No. Bulky cup in dense conifers, often in loose colonies.

Sources

  1. Common Grackle — All About Birds, Cornell Lab of Ornithology
  2. Common Grackle life history — Cornell Lab of Ornithology
  3. Common Grackle — Audubon Guide to North American Birds

Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.