Mexican Ground Squirrel vs Old Man'S Beard Lichen

Ictidomys mexicanus compared with Usnea barbata

Key Differences

• Mexican Ground Squirrel is Least Concern while Old Man'S Beard Lichen is Extinct.

Taxonomic Classification

Rank	Mexican Ground Squirrel	Old Man'S Beard Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Sciuridae (Squirrels)	Parmeliaceae
Genus	Ictidomys	Usnea
Species	Ictidomys mexicanus	Usnea barbata

Conservation Status

Mexican Ground Squirrel

LC — Least Concern

Old Man'S Beard Lichen

EX — Extinct

Physical Characteristics

Attribute	Mexican Ground Squirrel	Old Man'S Beard Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mexican Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Old Man'S Beard Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.