ours noir vs

Ursus americanus compared with Nitzschia angularis

Key Differences

• ours noir is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	ours noir
Kingdom	Animalia (animal)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (mammifères)	Bacillariophyceae (Bacillariophyceae)
Order	Carnivora (carnivores)	Bacillariales (Bacillariales)
Family	Ursidae (Bears)	Bacillariaceae
Genus	Ursus (Bears)	Nitzschia
Species	Ursus americanus	Nitzschia angularis

Conservation Status

ours noir

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	ours noir
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ours noir

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Sweden, and Taiwan.

ours noir

The American black bear (Ursus americanus) is a species in the genus Ursus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Nitzschia angularis is an elongated, pennate freshwater diatom with angular poles and a distinctive raphe positioned along the keel of the frustule. It inhabits eutrophic to mesotrophic freshwater environments including rivers, ponds, and nutrient-enriched lakes. This photosynthetic diatom is associated with moderately enriched freshwater conditions.