Gemeiner Felsenbohrer vs Westlicher Gorilla

Hiatella rugosa compared with Gorilla gorilla

Key Differences

• Gemeiner Felsenbohrer is Least Concern while Westlicher Gorilla is Critically Endangered.

Taxonomic Classification

Rank	Gemeiner Felsenbohrer	Westlicher Gorilla
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Bivalvia (Muscheln)	Mammalia (Säugetiere)
Order	Adapedonta (Adapedonta)	Primates (Primaten)
Family	Hiatellidae	Hominidae (Great Apes)
Genus	Hiatella	Gorilla (Gorillas)
Species	Hiatella rugosa	Gorilla gorilla

Evolutionary Relationship

Gemeiner Felsenbohrer and Westlicher Gorilla share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Gemeiner Felsenbohrer

LC — Least Concern

Westlicher Gorilla

CR — Critically Endangered

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Gemeiner Felsenbohrer	Westlicher Gorilla
Diet	—	Herbivore
Average Lifespan	—	40 years
Average Length	—	1.7 m
Average Weight	—	160.0 kg

Habitat & Geographic Range

Gemeiner Felsenbohrer

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

Westlicher Gorilla

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 4 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Cameroon, Congo (Republic), Equatorial Guinea, and Gabon. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gemeiner Felsenbohrer

<em>Hiatella rugosa</em>, the common rock borer, is a bivalve mollusk in the family Hiatellidae, order Adapedonta. It is distributed across the North Atlantic, with documented records from Denmark, Norway, Sweden, and the United States. The species is assessed as Least Concern on the IUCN Red List, suggesting stable populations across its range. Common rock borers typically inhabit rocky intertidal and subtidal zones, boring into soft substrates including sandstone, shale, chalk, and compacted sediment using mechanical abrasion from their shells. This boring behavior provides the species with protection from predation and wave disturbance. <em>Hiatella rugosa</em> is a suspension feeder, typically extracting phytoplankton and suspended organic particles from the water column through its siphons. The genus Hiatella is considered nearly cosmopolitan, with species occurring from polar to tropical seas. Rock borers are small bivalves, typically reaching only a few centimeters in shell length. They are common components of rocky shore communities and serve as prey for predatory snails, shorebirds, and small fish. Biological traits such as precise lifespan, body measurements, and diet composition remain poorly documented in quantitative ecological studies for this taxon specifically.

Westlicher Gorilla

The world's largest primate, western gorillas weigh up to 180 kg and inhabit the tropical and subtropical forests of equatorial Africa. Primarily herbivorous, living in family groups led by a silverback male who protects the troop and mediates social conflicts. Critically Endangered, with populations threatened by deforestation, poaching for bushmeat, and outbreaks of Ebola virus disease.