恺木纹霸鹟 vs Cottontop Tamarin

Empidonax alnorum compared with Saguinus oedipus

Key Differences

• 恺木纹霸鹟 is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	恺木纹霸鹟	Cottontop Tamarin
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	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Passeriformes (雀形目)	Primates (灵长目)
Family	Tyrannidae	Callitrichidae
Genus	Empidonax	Saguinus
Species	Empidonax alnorum	Saguinus oedipus

Evolutionary Relationship

恺木纹霸鹟 and Cottontop Tamarin share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

恺木纹霸鹟

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	恺木纹霸鹟	Cottontop Tamarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

恺木纹霸鹟

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

恺木纹霸鹟

桤木纹霸鹟（Empidonax alnorum）在IUCN红色名录中被评估为无危（LC），繁殖于北美洲北部的桤木和柳树丛中，冬季迁徙至南美洲越冬。该物种与柳纹霸鹟（E. traillii）外形极为相似，主要通过鸣叫声加以区分，是鸟类学研究中鉴别难度较高的物种之一。种群数量目前保持稳定。

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia