They are migratory, too. Migrating grackles, like other blackbirds, travel by day and often in large flocks that roost together at night. Common Grackle feeding in the fishing pond at the Forestry Farm in Saskatoon, Saskatchewan, ... take comfort in the fact that time is on your side: If your yard is a grackle-migration stopover, just wait. Most grackles migrate a short distance south to pass the winter, but some few opt to brave the storms each year, often mixed with flocks of other blackbirds. Lillian and Don Stokes are the authors of 30 books on nature and birdwatching subjects and the creators of the S tokes Birding Blog. Grackle migration targets Texoma Posted: Wednesday, November 1, 2017 11:21 AM EDT Updated: Wednesday, December 27, 2017 11:21 AM EST Thousands … If anyone has trouble with Yellow-headed Blackbirds, well, I'm jealous! If your problem is a seasonal issue the solution is still the same. A 1969 to 1971 study in Oklahoma showed that more than 72 percent of common grackles captured in peanut-growing areas had peanuts in their gizzards. In peanut-growing areas, common grackle (Quiscalus quiscula) (Figure 1) damage can result in crop losses up to 25 percent after windrowing. They've caused problems at DFW Airport and taken over shopping centers in Fort Worth, but this week another Texas city is dealing with a grackle issue. European Starlings, Boat-tailed Grackles in the East and Great-tailed Grackles in the West are non-migratory. Fall migration usually peaks in late October or early November, while spring migration takes place mostly in late February and March. Common Grackles often nest in small colonies, and several males may perch in adjacent treetops to sing their creaking, grating songs. Status. migration. They also migrate northward in the summer. The big bullies will be gone in a few weeks. Throughout the east and midwest, this big blackbird is a very familiar species on suburban lawns, striding about with deliberate steps as it searches for insects. Though they remain common and widespread as breeders in the Bay State, common grackles are showing signs of a decline in abundance according to the USGS Breeding Bird Survey. So they can be a problem all year.
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