vs Laysan Duck

Clostridium carnis compared with Anas laysanensis

Key Differences

• is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank		Laysan Duck
Kingdom	Bacteria (Bacteria)	Animalia (Animals)
Phylum	Firmicutes_A	Chordata (Chordates)
Class	Clostridia (Clostridia)	Aves (Birds)
Order	Clostridiales (Clostridiales)	Anseriformes (Anseriformes)
Family	Clostridiaceae	Anatidae
Genus	Clostridium	Anas
Species	Clostridium carnis	Anas laysanensis

Conservation Status

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute		Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Clostridium carnis is an anaerobic, endospore-forming bacterium in the family Clostridiaceae typically isolated from meat (caro/carnis, Latin for meat) and animal tissues, as well as soil and sediments. Like other clostridia, it is a strictly anaerobic, Gram-positive rod that survives adverse conditions by forming heat-resistant endospores. C. carnis is associated with putrefaction processes in proteinaceous substrates, producing proteolytic enzymes that break down meat proteins, contributing to gas gangrene and tissue necrosis in infected wounds under anaerobic conditions. It is considered one of the histotoxic clostridia capable of causing wound infections in humans and animals, though it is less clinically significant than C. perfringens or C. septicum. Isolated from soil, intestinal contents, and meat products, C. carnis contributes to anaerobic decomposition of organic nitrogen compounds, releasing ammonia and simpler organic acids back into the environment. Its resistance to environmental conditions through sporulation makes it persistent in soil environments associated with animal husbandry and meat processing facilities.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.