Common Grackle
(Quiscalus quiscula)

Summary

Picture of bird
© Chuck Kling
For additional photos and vocalizations, visit Dendroica. (Link opens in a new window.)

The Common Grackle is an abundant and widespread species of open wooded areas in Canada, east of British Columbia. The Breeding Bird Survey indicates that the population has remained relatively unchanged since the early 1970s. The species remains abundant; there are no conservation concerns at this time.

Designations

Main designations for the species
DesignationStatusDateSubspecies, population
IUCN (Global)Near threatened2018 
Partners in Flight (North America)Common birds in steep decline2017 
Wild Species (Canada)Secure2015 

Population status

Geographic area or populationPopulation change relative to ~1970ReliabilityStatus in relation to goal
CanadaLittle ChangeHighAt an Acceptable Level
 

Population estimate

Geographic area or populationPopulation estimate
Canada5,000,000 - 50,000,000 adults
 

Distribution maps

 

Migration strategy, occurrence

Short-distance migrant

Responsibility for conservation

Geographic areaResponsibility based on % of global population
CanadaLow

General nesting period in Canada

Nesting period starts between mid-April and mid-May and ends between early July and mid-July, depending on the region. Before or after this period, the probability of an active nest is lower.
 

Conservation and management

Far more abundant today than in pre-settlement times, the Common Grackle is often considered to be one of the most significant avian agricultural pests of North American croplands (Peer and Bollinger 1997). Control programs likely contributed to the decrease in populations during the 1970s and 1980s (Peer and Bollinger 1997).

 

Bird conservation region strategies

Environment and Climate Change Canada and partners have developed Bird Conservation Region Strategies in each of Canada’s Bird Conservation Regions (BCRs). In these strategies, selected species are identified as priorities for one or more of the following reasons:

  • conservation concerns (i.e., species vulnerable due to population size, distribution, population trend, abundance, or threats)
  • stewardship responsibilities (i.e., species that typify the regional avifauna or have a large proportion of their range or population in the sub-region)
  • management concerns (i.e., species that require ongoing management because of their socio-economic importance as game species, or because of their impacts on other species or habitats)
  • other concerns (i.e., species deemed a priority by regional experts for other reasons than those listed above or because they are listed as species at risk or concern at the provincial level)

Select any of the sub-regions below to view the BCR strategy for additional details.

BCRs, marine biogeographic units, and sub-regions in which the species is listed as a priority
RegionSub-region and priority type
NoneNone
 

References