Common Daisy vs Common Water Rat

Leucanthemum vulgare compared with Hydromys chrysogaster

Key Differences

• Common Daisy is Not Evaluated while Common Water Rat is Least Concern.

Taxonomic Classification

Rank	Common Daisy	Common Water Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Asterales (Daisies & Sunflowers)	Rodentia (Rodents)
Family	Asteraceae (Daisy Family)	Muridae (Mice & Rats)
Genus	Leucanthemum	Hydromys
Species	Leucanthemum vulgare	Hydromys chrysogaster

Conservation Status

Common Daisy

NE — Not Evaluated

Common Water Rat

LC — Least Concern

Physical Characteristics

Attribute	Common Daisy	Common Water Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Daisy

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (South Africa), Asia (8 countries), Europe (10 countries), North America (Canada, Costa Rica, United States), Oceania and the Pacific (Australia, New Zealand), and South America (5 countries).

Common Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Daisy

<em>Leucanthemum vulgare</em>, the common daisy, is a perennial flowering plant in the family Asteraceae. This species has a broad global distribution, occurring across diverse terrestrial habitats on multiple continents, including meadows, pastures, roadsides, and disturbed ground. The common daisy is characterized by its bright white ray florets surrounding a yellow disc, a floral arrangement that is one of the most recognized in temperate landscapes. It typically grows to 20–70 centimeters in height and produces flowers from late spring through summer. <em>Leucanthemum vulgare</em> often spreads readily via wind-dispersed achenes and can form dense stands in grasslands and disturbed soils. The species is considered a generalist and is tolerant of a wide range of soil types and light conditions. It has been widely introduced beyond its native Eurasian range and is sometimes regarded as an invasive species in parts of North America and Australasia. Biological traits of this species remain generally well-documented given its widespread occurrence and ecological significance as a pollinator-supporting plant.

Common Water Rat

<em>Hydromys chrysogaster</em>, commonly known as the common water rat or rakali, is a semi-aquatic rodent in the family Muridae, native to Australia and New Guinea. It is classified as Least Concern by the IUCN, reflecting its relatively stable population across a broad range of freshwater and estuarine habitats on the Australian continent and associated islands. The species typically inhabits the banks of rivers, lakes, wetlands, and estuaries, where it constructs burrows in streambanks. It is highly adapted for an aquatic lifestyle, with partially webbed hind feet, a flattened head, and a dense waterproof coat. <em>Hydromys chrysogaster</em> is a carnivore, typically feeding on fish, crustaceans, mussels, frogs, and aquatic invertebrates, which it often carries to elevated feeding platforms to consume. The species is nocturnal and crepuscular, most active during early morning and evening hours near the water's edge. Biological traits including average lifespan, body length, and weight remain poorly documented in standardized databases, though adults are generally robust for a rodent, reportedly reaching body lengths of 20–35 cm excluding the tail. Geographic range details for this particular record remain incompletely documented in available data sources. Ecologically, the common water rat is an important apex predator in small-scale freshwater food webs and serves as an indicator species for wetland health in Australian riparian systems.