Cliff Mining Bee vs cocobolo

Andrena thoracica compared with Dalbergia granadillo

Key Differences

• Cliff Mining Bee is Extinct while cocobolo is Critically Endangered.

Taxonomic Classification

Rank	Cliff Mining Bee	cocobolo
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Magnoliopsida (Dicots)
Order	Hymenoptera (Ants, Bees & Wasps)	Fabales (Legumes & Allies)
Family	Andrenidae	Fabaceae
Genus	Andrena	Dalbergia
Species	Andrena thoracica	Dalbergia granadillo

Conservation Status

Cliff Mining Bee

EX — Extinct

cocobolo

CR — Critically Endangered

Physical Characteristics

Attribute	Cliff Mining Bee	cocobolo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cliff Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Luxembourg, Norway, and Sweden.

cocobolo

Habitat

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

Cliff Mining Bee

The Cliff Mining Bee, Andrena species in the family Andrenidae, is a solitary ground-nesting bee that excavates tunnels in cliff faces, earthen banks, and compacted sandy or loamy soils, where the loose or friable substrates exposed in cliff profiles provide ideal nesting conditions. Mining bees in the genus Andrena are among the most species-rich solitary bee genera in the world, with hundreds of species across the Holarctic region, many narrowly specialized in their choice of pollen host plants. Female cliff mining bees construct vertical or angled burrows in cliff faces, with lateral cells off the main shaft, each containing a pollen ball and a single egg. Males are typically smaller and emerge before females to establish territories near nesting sites. Many Andrena species are oligolectic, collecting pollen from only a small number of plant species, making their populations sensitive to the availability of specific flowering plants in the landscape surrounding nesting areas. Cliff and bank nesting habitats provide well-drained, sun-warmed substrates essential for brood development. The loss of natural cliff faces and earthen banks to development, vegetation succession, and quarrying reduces available nesting habitat for cliff mining bees.

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.