Great-tailed Grackle vs Slender-billed Grackle

Quiscalus mexicanus compared with Quiscalus palustris

Key Differences

• Great-tailed Grackle is Least Concern while Slender-billed Grackle is Extinct.

Taxonomic Classification

Rank	Great-tailed Grackle	Slender-billed Grackle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Passeriformes (Songbirds)	Passeriformes (Songbirds)
Family same	Icteridae	Icteridae
Genus same	Quiscalus	Quiscalus
Species	Quiscalus mexicanus	Quiscalus palustris

Evolutionary Relationship

Great-tailed Grackle and Slender-billed Grackle share a common ancestor at the Genus level: Quiscalus.

Conservation Status

Great-tailed Grackle

LC — Least Concern

Slender-billed Grackle

EX — Extinct

Physical Characteristics

Attribute	Great-tailed Grackle	Slender-billed Grackle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great-tailed Grackle

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Slender-billed Grackle

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Great-tailed Grackle

Great-tailed Grackle (Quiscalus mexicanus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway