Common Saltwort vs Gray/Purple Heron

Salsola kali compared with Ardea cinerea

Taxonomic Classification

Rank	Common Saltwort	Gray/Purple Heron
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Caryophyllales (Caryophyllales)	Pelecaniformes (Pelecaniformes)
Family	Amaranthaceae	Ardeidae
Genus	Salsola	Ardea
Species	Salsola kali	Ardea cinerea

Conservation Status

Common Saltwort

LC — Least Concern

Gray/Purple Heron

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Common Saltwort	Gray/Purple Heron
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	95 cm
Average Weight	—	1.5 kg

Habitat & Geographic Range

Common Saltwort

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Lesotho, Namibia, South Africa), Europe (6 countries), North America (Canada, Mexico, United States), and South America (4 countries).

Gray/Purple Heron

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries).

Common Saltwort

<em>Salsola kali</em>, common saltwort or prickly glasswort, is an annual herb in the family Amaranthaceae, with a broad native distribution spanning coastal and inland saline habitats across Africa, Europe, and Asia, and widely introduced in North and South America where it has become an invasive species in many regions. The plant typically inhabits sandy beaches, coastal dunes, saline inland steppes, disturbed ground, roadsides, and agricultural margins. It is highly salt-tolerant, accumulating sodium in its tissues, a trait that historically made it a source of soda ash used in glassmaking, giving rise to common names such as glasswort. Common saltwort produces small, succulent, spine-tipped leaves and inconspicuous flowers, and when dry the plant breaks off at the base and tumbles in the wind, dispersing seeds widely — a behavior that has given rise to the iconic image of the tumbleweed in North American popular culture. The species is assessed as Least Concern on the IUCN Red List. It provides food for birds and invertebrates in coastal habitats. In North America it has expanded significantly into disturbed arid habitats, where it is considered invasive. Biological traits such as average lifespan, body measurements, and dietary data remain poorly documented in standardized databases.

Gray/Purple Heron

A large, elegant wading bird reaching up to 1 meter in height, gray herons inhabit wetlands, rivers, lakes, and coastal areas across Europe, Asia, and Africa. Patient, solitary hunters, they stand motionless for long periods before striking fish, frogs, and small mammals with lightning-fast dagger bill strikes. They nest colonially in tall trees in rookeries called heronries, sometimes shared with other colonial waterbirds. Widely distributed and of Least Concern globally.