Miller’s Mastiff Bat vs Ruddy Shelduck

Molossus pretiosus compared with Tadorna ferruginea

Key Differences

• Miller’s Mastiff Bat is Least Concern while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Miller’s Mastiff Bat	Ruddy Shelduck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Molossidae	Anatidae
Genus	Molossus	Tadorna
Species	Molossus pretiosus	Tadorna ferruginea

Evolutionary Relationship

Miller’s Mastiff Bat and Ruddy Shelduck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Miller’s Mastiff Bat

LC — Least Concern

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Miller’s Mastiff Bat	Ruddy Shelduck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Ruddy Shelduck

Ruddy Shelduck (Tadorna ferruginea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.