Common Flower Fly vs Lion

Syrphus ribesii compared with Panthera leo

Key Differences

• Common Flower Fly is Least Concern while Lion is Vulnerable.

Taxonomic Classification

Rank	Common Flower Fly	Lion
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Diptera (雙翅目)	Carnivora (食肉目)
Family	Syrphidae	Felidae (Cats)
Genus	Syrphus	Panthera (Big Cats)
Species	Syrphus ribesii	Panthera leo

Evolutionary Relationship

Common Flower Fly and Lion share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Common Flower Fly

LC — Least Concern

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Flower Fly	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

Common Flower Fly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Lion

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 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Common Flower Fly

<em>Syrphus ribesii</em> is a hoverfly in the family Syrphidae, order Diptera, commonly known as the common flower fly. This species is among the most frequently encountered hoverflies in its range and serves an important ecological role as a pollinator of flowering plants. The species is classified as Least Concern on the IUCN Red List. <em>Syrphus ribesii</em> is distributed across Europe and the United States, typically inhabiting gardens, hedgerows, woodland edges, and meadows where flowering plants are abundant. Adults are characterized by yellow and black banded abdomens that mimic the appearance of wasps or bees, providing protection from predators through Batesian mimicry. Adults feed on nectar and pollen, while larvae are predatory, feeding on soft-bodied insects such as aphids and thereby providing a natural pest control service in gardens and agricultural settings. The species is migratory in parts of its range. Biological traits of this species remain poorly documented in the scientific literature.

Lion

非洲最大的野生猫科动物，体重可达250公斤，是撒哈拉以南非洲稀树草原和草地中唯一营群居生活的猫科动物。雄狮以其标志性的鬃毛著称。作为顶级捕食者，狮子调节草食动物种群，维持生态系统平衡。因栖息地丧失和人兽冲突被列为易危物种。