Ray's Knotgrass vs cigarrinha-do-campo

Polygonum oxyspermum compared with Ammodramus aurifrons

Key Differences

• Ray's Knotgrass is Endangered while cigarrinha-do-campo is Least Concern.

Taxonomic Classification

Rank	Ray's Knotgrass	cigarrinha-do-campo
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (cordados)
Class	Magnoliopsida (Dicots)	Aves (ave)
Order	Caryophyllales (Caryophyllales)	Passeriformes (Songbirds)
Family	Polygonaceae	Passerellidae
Genus	Polygonum	Ammodramus
Species	Polygonum oxyspermum	Ammodramus aurifrons

Conservation Status

Ray's Knotgrass

EN — Endangered

cigarrinha-do-campo

LC — Least Concern

Physical Characteristics

Attribute	Ray's Knotgrass	cigarrinha-do-campo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

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

cigarrinha-do-campo

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

cigarrinha-do-campo

O pardal-de-sobrancelha-amarela (Ammodramus aurifrons) está classificado como Pouco Preocupante (LC) na Lista Vermelha da IUCN. É um pequeno passeriforme que habita pastagens, prados e arrozais das bacias Amazônica e do Orinoco na América do Sul, com ampla distribuição e população estável.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway