นกนางนวลแกลบธรรมดา vs นกเอี้ยงหงอนก้นลาย

Sterna hirundo compared with Acridotheres cristatellus

Key Differences

• นกนางนวลแกลบธรรมดา is Endangered while นกเอี้ยงหงอนก้นลาย is Least Concern.

Taxonomic Classification

Rank	นกนางนวลแกลบธรรมดา	นกเอี้ยงหงอนก้นลาย
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order	Charadriiformes (Charadriiformes)	Passeriformes (นกเกาะคอน)
Family	Laridae	Sturnidae
Genus	Sterna	Acridotheres
Species	Sterna hirundo	Acridotheres cristatellus

Evolutionary Relationship

นกนางนวลแกลบธรรมดา and นกเอี้ยงหงอนก้นลาย share a common ancestor at the Class level: Aves. (นก)

Conservation Status

นกนางนวลแกลบธรรมดา

EN — Endangered

นกเอี้ยงหงอนก้นลาย

LC — Least Concern

Physical Characteristics

Attribute	นกนางนวลแกลบธรรมดา	นกเอี้ยงหงอนก้นลาย
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

นกนางนวลแกลบธรรมดา

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

นกเอี้ยงหงอนก้นลาย

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Singapore, United Arab Emirates), Europe (7 countries), and South America (Argentina, Bolivia).

นกนางนวลแกลบธรรมดา

Common Tern (Sterna hirundo) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

นกเอี้ยงหงอนก้นลาย

Crested Myna (Acridotheres cristatellus) 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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal