Big-eared Hopping Mouse vs Collared Grosbeak

Notomys macrotis compared with Mycerobas affinis

Key Differences

• Big-eared Hopping Mouse is Extinct while Collared Grosbeak is Least Concern.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Collared Grosbeak
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Muridae (Mice & Rats)	Fringillidae
Genus	Notomys	Mycerobas
Species	Notomys macrotis	Mycerobas affinis

Evolutionary Relationship

Big-eared Hopping Mouse and Collared Grosbeak share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Collared Grosbeak

LC — Least Concern

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Collared Grosbeak
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Collared Grosbeak

Habitat

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

Range

Distributed across Norway and United Kingdom.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Collared Grosbeak

<em>Mycerobas affinis</em>, the Collared Grosbeak, is a large finch in the family Fringillidae. This species is assessed as Least Concern on the IUCN Red List. It is native to the Himalayan region and adjacent mountain ranges of South and East Asia, inhabiting montane forests, particularly coniferous and mixed forests at high elevations. Members of the genus <em>Mycerobas</em> are robust birds with powerful bills adapted for cracking open large seeds and hard-coated fruits. The Collared Grosbeak is named for the yellow or greenish collar visible in male plumage. The species is typically encountered in flocks, often foraging in the forest canopy and shrub layer. Diet includes seeds, berries, and invertebrates, though specific diet data for <em>Mycerobas affinis</em> are not enumerated in the available records. Biological measurements such as average length, weight, and lifespan are not specified in available data. Biological traits of this species remain poorly documented in the scientific literature. Its Least Concern status reflects stable populations across its broad Himalayan and montane Asian range.