Blind Small-eared Shrew vs Greater Scaup

Cryptotis niausa compared with Aythya marila

Key Differences

• Blind Small-eared Shrew is Data Deficient while Greater Scaup is Vulnerable.

Taxonomic Classification

Rank	Blind Small-eared Shrew	Greater Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Anseriformes (Anseriformes)
Family	Soricidae	Anatidae
Genus	Cryptotis	Aythya
Species	Cryptotis niausa	Aythya marila

Evolutionary Relationship

Blind Small-eared Shrew and Greater Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

Greater Scaup

VU — Vulnerable

Physical Characteristics

Attribute	Blind Small-eared Shrew	Greater Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blind Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Greater Scaup

Habitat

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

Range

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

Blind Small-eared Shrew

The Blind Small-eared Shrew (Cryptotis niausa) is a species in the genus Cryptotis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Greater Scaup

Greater Scaup (Aythya marila) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.