Common Silver Hairgrass vs Mealy Parrot / Mealy Amazon

Aira caryophyllea compared with Amazona farinosa

Key Differences

Common Silver Hairgrass is Endangered while Mealy Parrot / Mealy Amazon is Near Threatened.

Taxonomic Classification

Rank	Common Silver Hairgrass	Mealy Parrot / Mealy Amazon
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (สัตว์มีแกนสันหลัง)
Class	Liliopsida (Monocots)	Aves (นก)
Order	Poales (อันดับหญ้า)	Psittaciformes (อันดับนกแก้ว)
Family	Poaceae (Grass Family)	Psittacidae (True Parrots)
Genus	Aira	Amazona
Species	Aira caryophyllea	Amazona farinosa

Conservation Status

Common Silver Hairgrass

EN — Endangered

Mealy Parrot / Mealy Amazon

NT — Near Threatened

Physical Characteristics

Attribute	Common Silver Hairgrass	Mealy Parrot / Mealy Amazon
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Silver Hairgrass

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 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Cameroon), Asia (Japan, South Korea), Europe (6 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (4 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Mealy Parrot / Mealy Amazon

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Common Silver Hairgrass

<em>Aira caryophyllea</em>, commonly known as Common Silver Hairgrass, is a slender annual grass belonging to the family Poaceae within the order Poales. This delicate grass is currently classified as Endangered on the IUCN Red List, reflecting significant conservation concern despite its historically broad distribution. It is typically found across a remarkable diversity of biome types, including tropical and subtropical moist broadleaf forests, grasslands, savannas, and flooded habitats, demonstrating notable ecological versatility. Its geographic range spans multiple continents, with documented populations in Africa (Cameroon), Asia (Japan, South Korea), Europe, North America, Australia, and South America. As an annual grass, it completes its life cycle within a single growing season, reproducing via wind-dispersed seeds. The inflorescence typically bears silvery, shimmering spikelets that give the species its common name. Biological traits such as average lifespan, body dimensions, and dietary specifics follow typical patterns for annual grasses — drawing nutrients from soil through root absorption rather than consuming other organisms. The endangered status suggests populations may be declining due to habitat loss, land-use change, or invasive species pressure across parts of its range.

Mealy Parrot / Mealy Amazon

One of the largest amazon parrots, mealy amazons have subtle powder-green plumage with bluish-grey head and a distinctive dusty or powdery sheen to the feathers that gives them their name. Found in lowland tropical forest from southern Mexico through Central America and across most of South America to Bolivia and Brazil. They inhabit humid forest and forest edges, traveling in pairs or small flocks. Listed as Least Concern globally though locally impacted by habitat loss and the pet trade.