Common Red-legged Robberfly vs Tiger

Dioctria rufipes compared with Panthera tigris

Key Differences

• Common Red-legged Robberfly is Least Concern while Tiger is Endangered.

Taxonomic Classification

Rank	Common Red-legged Robberfly	Tiger
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Arthropoda (절지동물)	Chordata (척삭동물)
Class	Insecta (곤충)	Mammalia (포유류)
Order	Diptera (파리목)	Carnivora (식육목)
Family	Asilidae	Felidae (Cats)
Genus	Dioctria	Panthera (Big Cats)
Species	Dioctria rufipes	Panthera tigris

Evolutionary Relationship

Common Red-legged Robberfly and Tiger share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Common Red-legged Robberfly

LC — Least Concern

Tiger

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Common Red-legged Robberfly	Tiger
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	3.0 m
Average Weight	—	220.0 kg

Habitat & Geographic Range

Common Red-legged Robberfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Tiger

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Red-legged Robberfly

<em>Dioctria rufipes</em>, the common red-legged robberfly, is a predatory fly in the family Asilidae, order Diptera. It is distributed across northwestern Europe, with confirmed records from Belgium, Denmark, Norway, and Sweden, typically favoring woodland edges, hedgerows, and meadows with abundant vegetation. The species is assessed as Least Concern on the IUCN Red List, reflecting stable populations across its European range. Robberflies in the genus Dioctria are slender, elongated flies characterized by a distinctive long proboscis used to inject paralyzing saliva into prey. <em>Dioctria rufipes</em> typically hunts smaller flying insects, including midges, small flies, and other soft-bodied arthropods, ambushing prey from resting perches on vegetation and capturing it mid-flight. Adults are typically active from late spring to early autumn, coinciding with peak insect activity. The red or reddish-orange coloration of the hind femora is the diagnostic feature that gives this species its common name. Larvae develop in soil or decaying wood, where they are believed to be predatory on other invertebrate larvae. Biological traits such as precise lifespan, body measurements, and diet composition remain poorly documented in quantitative studies. The species is considered an important component of invertebrate predator guilds in European agricultural landscapes.

Tiger

지구상 가장 큰 야생 고양잇과 동물로, 무게가 300kg을 초과할 수 있으며 러시아 극동에서 동남아시아에 걸친 산림에 서식한다. 얼룩진 빛 속에서 위장 효과를 주는 독특한 주황색과 검정 줄무늬 털을 가진 단독 매복 포식자다. 밀렵과 삼림 파괴로 야생 개체수가 4,000마리 미만으로 감소한 심각한 위기(CR) 종이다.