Chopard's Cave-cricket vs Red-billed Duck

Dolichopoda chopardi compared with Anas erythrorhyncha

Key Differences

• Chopard's Cave-cricket is Data Deficient while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Chopard's Cave-cricket	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Orthoptera (Orthoptera)	Anseriformes (Anseriformes)
Family	Rhaphidophoridae	Anatidae
Genus	Dolichopoda	Anas
Species	Dolichopoda chopardi	Anas erythrorhyncha

Evolutionary Relationship

Chopard's Cave-cricket and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chopard's Cave-cricket

DD — Data Deficient

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Chopard's Cave-cricket	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chopard's Cave-cricket

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

Chopard's Cave-cricket

Chopard's Cave Cricket (Dolichopoda chopardi) is a camel cricket or cave cricket in the family Rhaphidophoridae, found in cave systems and subterranean environments of the western Mediterranean region, including areas of southern France, northern Italy, and possibly adjacent territories. Cave crickets of the genus Dolichopoda are obligate or near-obligate cave dwellers (troglobionts or troglophiles), characterised by their extreme leg elongation — particularly the hind legs and antennae, which are several times longer than the body — reduced eyes or eyelessness, lack of wings, and depigmented or pale yellowish-brown body colouration. These adaptations reflect evolutionary response to permanent cave darkness. Dolichopoda cave crickets feed as omnivores on organic detritus, bat guano, fungi, and invertebrates carried into cave systems by water or wind. They are sensitive bio-indicators of cave ecosystem health. The species is named in honour of Lucien Chopard, a French entomologist. The IUCN classifies this species as Data Deficient, reflecting limited survey data on its distribution and population status across cave systems within its range. Cave-dwelling invertebrates face threats from groundwater pollution, cave tourism impacts, changes in cave hydrology, and the spread of white-nose syndrome affecting bat populations whose guano provides food resources.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.