Lesser Rocktripe vs Red-billed Duck

Umbilicaria muhlenbergii compared with Anas erythrorhyncha

Key Differences

Lesser Rocktripe is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Lesser Rocktripe	Red-billed Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Umbilicariales (Umbilicariales)	Anseriformes (Anseriformes)
Family	Umbilicariaceae	Anatidae
Genus	Umbilicaria	Anas
Species	Umbilicaria muhlenbergii	Anas erythrorhyncha

Conservation Status

Lesser Rocktripe

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Lesser Rocktripe	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Rocktripe

Habitat

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

Range

Found in United States.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck (Anas erythrorhyncha) 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.