Pixie Foam vs Yellow-billed Cacique

Stereocaulon pileatum compared with Amblycercus holosericeus

Key Differences

• Pixie Foam is Critically Endangered while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Pixie Foam	Yellow-billed Cacique
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecanorales (Lecanorales)	Passeriformes (Songbirds)
Family	Stereocaulaceae	Icteridae
Genus	Stereocaulon	Amblycercus
Species	Stereocaulon pileatum	Amblycercus holosericeus

Conservation Status

Pixie Foam

CR — Critically Endangered

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Pixie Foam	Yellow-billed Cacique
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) 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