MAGELLANIC FLIGHTLESS STEAMER DUCK
Tachyeres pteneres
DESCRIPTION
Magellanic Flightless Steamer Duck (Tachyeres pteneres) is a large, flightless duck native to the southern coasts of South America. It has a robust body, a stout neck, and a distinctive bill that is adapted for foraging. This species is known for its unique behavior of 'steaming' across the water's surface, using its feet to paddle rapidly, which is a characteristic trait among steamer ducks.
FUN FACTS
- The Magellanic Flightless Steamer Duck is one of the few duck species that has completely lost the ability to fly, adapting instead to a life of swimming and diving
- | Unlike many other waterfowl, these ducks are known for their unique locomotion on water, where they can reach impressive speeds by using their feet to paddle rapidly, resembling a steamer boat
QUICK INFO
Lifespan10-15 years in the wild
Average Weight2.5-3.5 kg
Average Length60-70 cm
Diet TypeOmnivore
Social StructureThey are often seen in pairs or small groups, especially during the breeding season.
Activity PatternDiurnal
Breeding SeasonSpring to early summer (September to December)
- Habitat
- This species inhabits coastal areas, particularly in rocky shorelines and estuaries. It prefers regions with abundant vegetation and shallow waters for foraging.
- Biomes
- Coastal, Marine
- Native Range
- The native range of the Magellanic Flightless Steamer Duck includes the southern parts of South America, particularly in Argentina and Chile.
- Continent
- South America
- Countries
- Argentina, Chile
- Diet
- The Magellanic Flightless Steamer Duck primarily feeds on aquatic invertebrates, plant material, and small fish. It forages in shallow waters and along shorelines, using its bill to probe the substrate.
- Diet Type
- Omnivore
- Favorite Food
- aquatic invertebrates, plant material
- Social Structure
- They are often seen in pairs or small groups, especially during the breeding season.
- Activity Pattern
- Diurnal
- Group Size
- 2-10
- Territorial
- 0
LC
2.5-3.5 kg
Weight
60-70 cm
Length
- Coloration
- The plumage is predominantly dark brown with lighter mottling, providing excellent camouflage against rocky backgrounds.
- Sexual Dimorphism
- Males are generally larger and have more vibrant coloration compared to females.
- Lifespan
- 10-15 years in the wild
- Offspring per Birth
- 4-8
- Sexual Maturity
- 2-3 years
- Breeding Season
- Spring to early summer (September to December)
LC
Least Concern
IUCN Red List Status
- Population Status
- The population of Magellanic Flightless Steamer Ducks is currently considered stable, but localized threats exist.
- Wild Population Estimate
- 10,000-20,000
- Population Trend
- Stable
- Endangered
- 0
- Threats
- Main threats include habitat loss due to coastal development and pollution. Additionally, introduced predators such as rats and cats pose a risk to their nesting success.
- Predators
- Foxes, domestic cats, and birds of prey are known to prey on the eggs and young of this species.
- Defense Mechanisms
- They rely on their camouflage and ability to dive underwater to escape predators.
- Found in Zoos
- Uncommon