Hurleur du Maranhao vs Pixie Foam

Alouatta ululata compared with Stereocaulon pileatum

Key Differences

• Hurleur du Maranhao is Endangered while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Hurleur du Maranhao	Pixie Foam
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (mammifères)	Lecanoromycetes (Lecanoromycetes)
Order	Primates (Primates)	Lecanorales (Lecanorales)
Family	Atelidae	Stereocaulaceae
Genus	Alouatta	Stereocaulon
Species	Alouatta ululata	Stereocaulon pileatum

Conservation Status

Hurleur du Maranhao

EN — Endangered

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Hurleur du Maranhao	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hurleur du Maranhao

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.