cocobolo vs Common Water Rat

Dalbergia granadillo compared with Hydromys chrysogaster

Key Differences

• cocobolo is Critically Endangered while Common Water Rat is Least Concern.

Taxonomic Classification

Rank	cocobolo	Common Water Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Fabales (Legumes & Allies)	Rodentia (Rodents)
Family	Fabaceae	Muridae (Mice & Rats)
Genus	Dalbergia	Hydromys
Species	Dalbergia granadillo	Hydromys chrysogaster

Conservation Status

cocobolo

CR — Critically Endangered

Common Water Rat

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

cocobolo

Habitat

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

Common Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

cocobolo

Cocobolo (Dalbergia granadillo) is a medium to large tropical hardwood tree in the family Fabaceae, native to the dry and moist forests of Pacific Mexico and Central America, from Jalisco and Colima south through Guerrero, Oaxaca, and Chiapas into Guatemala and Honduras. The species is one of the most prized commercial rosewoods in the world, producing exceptionally dense, fine-grained heartwood in rich tones of red, orange, and brown with contrasting darker grain lines; this wood is used in high-end guitar fingerboards, knife handles, turning, and decorative woodwork. Unfortunately, this commercial value has driven intense illegal logging across much of its range, leading the IUCN to classify Dalbergia granadillo as Critically Endangered — the highest threat category short of extinction in the wild. The species is listed in CITES Appendix II, requiring documentation of sustainable harvest for international trade. Remaining populations are heavily fragmented in degraded and secondary forest, with mature trees of commercial size increasingly scarce. The slow growth rate of the species means that recovery of logged populations takes decades. Conservation initiatives include reforestation programmes, strengthening of enforcement against illegal logging, community-based forestry schemes, and research into propagation for plantation production as an alternative to wild harvest. Without effective action, Dalbergia granadillo faces continued population decline and potential extirpation from parts of its natural range.

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.