巨頭鵲鴨 vs 雞尾霸鶲

Bucephala albeola compared with Alectrurus tricolor

Key Differences

• 巨頭鵲鴨 is Not Evaluated while 雞尾霸鶲 is Vulnerable.

Taxonomic Classification

Rank	巨頭鵲鴨	雞尾霸鶲
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order	Anseriformes (雁形目)	Passeriformes (雀形目)
Family	Anatidae	Tyrannidae
Genus	Bucephala	Alectrurus
Species	Bucephala albeola	Alectrurus tricolor

Evolutionary Relationship

巨頭鵲鴨 and 雞尾霸鶲 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

巨頭鵲鴨

NE — Not Evaluated

雞尾霸鶲

VU — Vulnerable

Physical Characteristics

Attribute	巨頭鵲鴨	雞尾霸鶲
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

巨頭鵲鴨

Habitat

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

Range

Found across Europe (11 countries) and North America (United States).

雞尾霸鶲

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

巨頭鵲鴨

棉头鸭（Bucephala albeola）在IUCN红色名录中被列为未评估（NE）。尚未依照IUCN红色名录标准进行评估，保护状况有待确定。

雞尾霸鶲

The cock-tailed tyrant (Alectrurus tricolor) is a striking and unusual flycatcher in the family Tyrannidae, named for the remarkable elongated, spatula-shaped outer tail feathers of the male, which can exceed the body length and are displayed during aerial courtship flights over open grasslands. The species inhabits wet and seasonally flooded grasslands, cerrado savanna, and campos in the interior of South America, including central Brazil, eastern Bolivia, Paraguay, and northeastern Argentina — not Norway, as erroneous database entries suggest. Males combine conspicuous black, white, and rufous plumage with their extraordinary tail streamers in an elaborate display to attract females on leks; females are cryptically streaked brown. The cock-tailed tyrant is a ground- and low-vegetation forager, preying on insects and other small invertebrates gleaned from grass stems and caught in aerial sallies. The species is classified as Vulnerable by the IUCN due to extensive and continuing conversion and degradation of its native Neotropical grassland habitat through intensive soy and sugarcane agriculture, cattle ranching, fire management changes, and drainage of seasonally flooded grasslands. Populations have declined significantly across much of its range, particularly in Brazil and Paraguay. The species is a flagship for threatened grassland conservation in South America, where relatively little protection has historically been directed at open-country habitats compared to forest ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway