Grasläufer vs Harmless Serotine

Calidris subruficollis compared with Eptesicus innoxius

Taxonomic Classification

Rank	Grasläufer	Harmless Serotine
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Aves (Vögel)	Mammalia (Säugetiere)
Order	Charadriiformes (Regenpfeiferartige)	Chiroptera (Fledertiere)
Family	Scolopacidae	Vespertilionidae
Genus	Calidris	Eptesicus
Species	Calidris subruficollis	Eptesicus innoxius

Evolutionary Relationship

Grasläufer and Harmless Serotine share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Grasläufer

NT — Near Threatened

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Grasläufer	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grasläufer

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Grasläufer

Buff-breasted Sandpiper (Calidris subruficollis) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.