brown howler monkey vs Common Rue

Alouatta guariba compared with Ruta graveolens

Key Differences

• brown howler monkey is Vulnerable while Common Rue is Not Evaluated.

Taxonomic Classification

Rank	brown howler monkey	Common Rue
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Primates (Primates)	Sapindales (Sapindales)
Family	Atelidae	Rutaceae
Genus	Alouatta	Ruta
Species	Alouatta guariba	Ruta graveolens

Conservation Status

brown howler monkey

VU — Vulnerable

Common Rue

NE — Not Evaluated

Physical Characteristics

Attribute	brown howler monkey	Common Rue
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown howler monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Rue

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Japan, Taiwan), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Brazil, Colombia, Ecuador).

brown howler monkey

The Brown Howler Monkey (Alouatta guariba) is a species in the genus Alouatta. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Common Rue

<em>Ruta graveolens</em>, commonly known as common rue or herb-of-grace, is an aromatic, evergreen subshrub in the family Rutaceae. Native to the Balkan Peninsula and southwestern Europe, the species has been widely cultivated and naturalized across Europe, Asia, the Americas, and Australia for centuries. It typically grows in dry, rocky, well-drained soils in sunny positions, and is commonly found in gardens, roadsides, waste ground, and limestone outcrops. The plant produces small yellow-green flowers in dense, flat-topped clusters and distinctive blue-green, strongly aromatic compound leaves containing volatile oils. Common rue has a long history of medicinal and culinary use in Mediterranean cultures, though its essential oils can cause photosensitive skin reactions. The species is not currently evaluated on the IUCN Red List, reflecting limited formal assessment rather than documented threat. It is a hardy plant tolerant of poor soils and drought conditions once established. Pollination is typically carried out by insects attracted to the small but accessible flowers. The plant produces small, lobed seed capsules dispersed primarily by wind and gravity. Biological traits such as average lifespan, body measurements, and detailed dietary interactions remain poorly documented in standardized ecological databases for this species.