Watercolor portrait of Common Grackle (Quiscalus quiscula)

Common Grackle

Quiscalus quiscula
Partially migratory Open areas with scattered trees, agricul… Common Resident Song

Learn to identify the Common Grackle by ear. Master the "rusty gate screech" phrase and tell it apart from similar species.

“readle-eak”

What the Common Grackle sounds like

Common Grackles are blackbirds with iridescent blue, green, or purple heads and necks, and glossy bronze bodies. They have long, keel-shaped tails and pale yellow eyes. Males are larger and more iridescent than females.

“rusty gate screech”

How to tell it apart

Listen for:A harsh, rising squeak or screech often described as sounding like a rusty gate hinge. Males sing from exposed perches during breeding season. Often written as “readle-eak”.
Don't confuse with:The Boat-tailed Grackle — larger size with longer tail

Lessons featuring the Common Grackle

Ready to test your ear? Practice identifying the Common Grackle's sounds in these interactive in-app lessons.

Sidewalk Squad lesson habitat
Sidewalk Squad
Tier 2 · Around the Block
Blackbird Noise Department lesson habitat
Blackbird Noise Department
Tier 3 · Family Reunion
Blackbird Karaoke Night lesson habitat
Blackbird Karaoke Night
Tier 10 · Going Deeper
Start Learning Free

Where you'll hear it

Open areas with scattered trees, agricultural fields, suburban lawns, feedlots, and urban parks. Often found near water and human habitation.

Most active during daylight hours, gathering in large flocks during fall and winter.

Similar species

Boat-tailed Grackle

Larger size with longer tail

Great-tailed Grackle

Larger with extremely long tail

Brewer's Blackbird

Smaller with shorter tail

Common Grackle song FAQ

What does a Common Grackle sound like?
A harsh, rising squeak or screech often described as sounding like a rusty gate hinge. Males sing from exposed perches during breeding season. Listen for the "rusty gate screech" phrase.
How do I tell a Common Grackle from a Boat-tailed Grackle by sound?
Boat-tailed Grackle: Larger size with longer tail; Males have more glossy blue-purple overall without bronze body; Found primarily in coastal areas of southeastern United States.
When is the best time to hear a Common Grackle?
Most active during daylight hours, gathering in large flocks during fall and winter.