Boat-tailed Grackle vs Slender-billed Grackle

Quiscalus major compared with Quiscalus palustris

Key Differences

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

Taxonomic Classification

Rank	Boat-tailed Grackle	Slender-billed Grackle
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Passeriformes (นกเกาะคอน)	Passeriformes (นกเกาะคอน)
Family same	Icteridae	Icteridae
Genus same	Quiscalus	Quiscalus
Species	Quiscalus major	Quiscalus palustris

Evolutionary Relationship

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

Conservation Status

Boat-tailed Grackle

LC — Least Concern

Slender-billed Grackle

EX — Extinct

Physical Characteristics

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

Habitat & Geographic Range

Boat-tailed Grackle

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

Slender-billed Grackle

Habitat

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

Range

Found in Norway.

Boat-tailed Grackle

Boat-tailed Grackle (Quiscalus major) 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