Blackbirds (Icteridae)

Boat-tailed Grackle

Quiscalus major. Insects, crustaceans, grain and scraps on the coast.

Blackbirds (Icteridae)Boat-tailed GrackleQuiscalus major
Scientific name
Quiscalus major
Length
10.6–14.6 in
Weight
3.3–8.4 oz
Nest
Bulky cup in marsh vegetation or trees, in colonies
Entrance hole
Does not use nest boxes
Clutch
1–5 eggs
Incubation
13–15 days
Broods
1–2 per season

Identification

  • Male glossy blue-black with a huge keeled tail
  • Female warm tawny-brown
  • Long, heavy bill

Voice

A loud jumble of harsh rattles, whistles and clacks.

Diet and feeding

Insects, crustaceans, grain and scraps on the coast.

What do boat-tailed grackles eat? · Best feeder for boat-tailed grackles

Boat-tailed Grackles by state and province

RegionStatusNesting
AlabamaYear-round residentFebruary–July
FloridaYear-round residentFebruary–July
GeorgiaYear-round residentFebruary–July
LouisianaYear-round residentFebruary–July
MississippiYear-round residentFebruary–July
North CarolinaYear-round residentMarch–July
South CarolinaYear-round residentFebruary–July
TexasYear-round residentFebruary–July

Frequently asked

What do boat-tailed grackles eat?

Insects, crustaceans, grain and scraps on the coast. At feeders: cracked corn, mixed seed, peanuts.

How big is a Boat-tailed Grackle?

10.6–14.6 in long and 3.3–8.4 oz.

Do boat-tailed grackles use birdhouses?

No. Bulky cup in marsh vegetation or trees, in colonies.

Sources

  1. Boat-tailed Grackle — All About Birds, Cornell Lab of Ornithology
  2. Boat-tailed Grackle life history — Cornell Lab of Ornithology
  3. Boat-tailed 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.