Common Silver Hairgrass vs 紅梅花雀

Aira caryophyllea compared with Amandava amandava

Key Differences

• Common Silver Hairgrass is Endangered while 紅梅花雀 is Least Concern.

Taxonomic Classification

Rank	Common Silver Hairgrass	紅梅花雀
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Chordata (脊索动物门)
Class	Liliopsida (百合纲)	Aves (鳥綱)
Order	Poales (禾本目)	Passeriformes (雀形目)
Family	Poaceae (Grass Family)	Estrildidae
Genus	Aira	Amandava
Species	Aira caryophyllea	Amandava amandava

Conservation Status

Common Silver Hairgrass

EN — Endangered

紅梅花雀

LC — Least Concern

Physical Characteristics

Attribute	Common Silver Hairgrass	紅梅花雀
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.

紅梅花雀

Habitat

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

Range

Widely distributed across Asia (10 countries), Europe (9 countries), and North America (United States).

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.

紅梅花雀

红梅花雀（Amandava amandava）是南亚和东南亚森林的色彩艳丽小型雀鸟，繁殖期雄鸟全身覆有白色斑点的深红色羽毛。栖息于巴基斯坦、印度至印度尼西亚水边的高草地、芦苇丛和灌木地带。是亚洲各地广受欢迎的笼养鸟，已在欧洲、日本和加勒比海部分地区形成引入种群。群居生活，发出轻柔悦耳的鸣声。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇯🇵 Japan 🇳🇴 Norway 🇵🇹 Portugal 🇺🇸 United States