arrow worm vs Scarlet Macaw

Parasagitta elegans compared with Ara macao

Key Differences

arrow worm is Not Evaluated while Scarlet Macaw is Least Concern.

Taxonomic Classification

Rank	arrow worm	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chaetognatha (arrow worms)	Chordata (Chordates)
Class	Sagittoidea (Sagittoidea)	Aves (Birds)
Order	Aphragmophora (Aphragmophora)	Psittaciformes (Parrots)
Family	Sagittidae	Psittacidae (True Parrots)
Genus	Parasagitta	Ara (Macaws)
Species	Parasagitta elegans	Ara macao

Evolutionary Relationship

arrow worm and Scarlet Macaw share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

arrow worm

NE — Not Evaluated

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	arrow worm	Scarlet Macaw
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of its range.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.