AUSTRALIAN SHELDUCK
Tadorna tadornoides
DESCRIPTION
Australian Shelduck (Tadorna tadornoides) is a large, robust waterfowl characterized by its distinctive dark plumage and striking white wing patches. Males are typically more colorful, featuring a glossy green head and a chestnut-brown body, while females are more subdued in coloration. This species is known for its strong, direct flight and often forages in pairs or small groups, displaying a range of social behaviors in both breeding and non-breeding seasons.
FUN FACTS
- Australian Shelducks are known for their unique vocalizations, which include a range of quacks and whistles that can be quite loud and distinctive
- They are also highly adaptable birds, able to thrive in both natural wetlands and modified agricultural landscapes, showcasing their resilience in changing environments
QUICK INFO
Lifespan10-15 years in the wild, up to 20 in captivity
Average Weight1.2-1.5 kg
Average Length60-70 cm
Diet TypeHerbivore
Social Structurepair, often seen in small groups during non-breeding seasons
Activity PatternDiurnal
Breeding SeasonSpring to early summer (August-December)
- Habitat
- This species inhabits a variety of wetland environments, including lakes, rivers, and marshes, as well as grasslands and agricultural fields. They prefer areas with abundant vegetation for foraging and nesting.
- Biomes
- Wetlands, Grasslands
- Native Range
- The Australian Shelduck is native to Australia and New Zealand, with populations found across various regions of Australia.
- Continent
- Australia, Oceania
- Countries
- Australia, New Zealand
- Diet
- Australian Shelducks primarily feed on grasses, seeds, and aquatic plants, often grazing in fields and wetlands. They may also consume small invertebrates and insects when available.
- Diet Type
- Herbivore
- Favorite Food
- grasses, seeds, aquatic plants
- Social Structure
- pair, often seen in small groups during non-breeding seasons
- Activity Pattern
- Diurnal
- Group Size
- 2-10
- Territorial
- 0
1.2-1.5 kg
Weight
60-70 cm
Length
- Coloration
- Males have a glossy green head, chestnut-brown body, and white wing patches; females are more muted in color with a brownish body.
- Sexual Dimorphism
- Males are more colorful than females.
- Lifespan
- 10-15 years in the wild, up to 20 in captivity
- Offspring per Birth
- 6-12
- Sexual Maturity
- 1-2 years
- Breeding Season
- Spring to early summer (August-December)
LC
Least Concern
IUCN Red List Status
- Population Status
- The population of Australian Shelducks is currently stable, with no significant declines reported.
- Wild Population Estimate
- 50,000-100,000
- Population Trend
- Stable
- Endangered
- 0
- Threats
- Main threats include habitat loss due to agricultural expansion and wetland drainage. Additionally, hunting and predation by introduced species can impact local populations.
- Predators
- Foxes, feral cats, and birds of prey such as eagles.
- Defense Mechanisms
- They rely on their strong flight capabilities to escape predators and often use camouflage to blend into their surroundings.
- Compatible Animals
- Other waterfowl species, such as ducks and geese
- Found in Zoos
- Uncommon