Mountain Water Rat vs Ring-billed Gull

Baiyankamys habbema compared with Larus delawarensis

Key Differences

• Mountain Water Rat is Data Deficient while Ring-billed Gull is Least Concern.

Taxonomic Classification

Rank	Mountain Water Rat	Ring-billed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Charadriiformes (Charadriiformes)
Family	Muridae (Mice & Rats)	Laridae
Genus	Baiyankamys	Larus
Species	Baiyankamys habbema	Larus delawarensis

Evolutionary Relationship

Mountain Water Rat and Ring-billed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Mountain Water Rat

DD — Data Deficient

Ring-billed Gull

LC — Least Concern

Physical Characteristics

Attribute	Mountain Water Rat	Ring-billed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mountain Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ring-billed Gull

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ring-billed Gull

Ring-billed Gull (Larus delawarensis) 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.