Australian bird profile

Grey Teal

Anas gracilis

Grey Teal in Australia

Photo: Ron Knight · CC BY 2.0 · source

Scientific nameAnas gracilis
Sizeabout 36–44 cm
DistributionWidespread across Australia, including inland wetlands that may hold large numbers after rain.
HabitatFreshwater and saline lakes, swamps, rivers, farm dams, estuaries and temporary inland wetlands.
DietSeeds, aquatic plants and small aquatic invertebrates collected mainly by dabbling.

The Grey Teal (Anas gracilis) is an Australian bird worth learning as a combination of shape, colour, voice, behaviour and location rather than from a single feature. A small mottled grey-brown duck with a pale throat, dark cap, reddish eye and fairly plain face. Males and females are similar in appearance. Adults are typically about 36–44 cm, so comparing the bird with familiar nearby species can immediately narrow the identification.

How to identify a Grey Teal

A small mottled grey-brown duck with a pale throat, dark cap, reddish eye and fairly plain face. Males and females are similar in appearance. Start with overall body shape and size, then check the head, bill, wings, tail and any strong colour blocks. If the bird is distant, behaviour and habitat may be more reliable than small plumage details.

Highly mobile and capable of moving long distances to newly flooded inland wetlands. Often forms mixed flocks with other small ducks. Take a few seconds to watch how the bird moves before trying to name it. Whether it dives, hovers, fans its tail, climbs through foliage or feeds on the ground can eliminate many look-alikes.

Where is the Grey Teal found in Australia?

Widespread across Australia, including inland wetlands that may hold large numbers after rain.

Typical habitat includes freshwater and saline lakes, swamps, rivers, farm dams, estuaries and temporary inland wetlands. A useful identification check is to ask whether the habitat makes sense for the species. Australian birds can wander, but a bird seen in its normal habitat and range is a much stronger match than one identified from colour alone.

What does the Grey Teal eat?

Seeds, aquatic plants and small aquatic invertebrates collected mainly by dabbling. Diet can change with season, rainfall and local food supply, so feeding behaviour is usually more useful as a supporting clue than as a stand-alone identification feature.

When observing wild birds, natural foraging is the best guide. Note whether the bird feeds in flowers, probes the ground, pursues prey in flight, dives underwater or cracks seeds. These behaviours also help explain why the species is associated with particular habitats.

Behaviour and calls

Highly mobile and capable of moving long distances to newly flooded inland wetlands. Often forms mixed flocks with other small ducks.

Soft quacks and short nasal or whistled contact calls. Calls are particularly useful when foliage, distance or poor light makes colour difficult to judge. Record a short description of the sound and the rhythm rather than relying only on a remembered word such as “chirp” or “screech”.

Nesting and breeding

Pairs usually nest in tree hollows or other sheltered cavities, sometimes some distance from water. Breeding timing varies across Australia and may shift with latitude, rainfall and food. If you find an active nest or dependent young, watch from a respectful distance so adults can continue normal feeding and defence behaviour.

Similar birds

Female Chestnut Teal can look similar but are usually darker and show different head contrast. Pacific Black Ducks are larger with a bold dark eye stripe and pale facial stripes. When two species seem possible, compare several independent clues: bill shape, body proportions, eye or face pattern, tail shape, voice, habitat and geographic range. A photograph from more than one angle is often more useful than one perfect-looking colour match.

Quick identification checklist

For a fast field check, remember four points: size: about 36–44 cm; appearance: A small mottled grey-brown duck with a pale throat, dark cap, reddish eye and fairly plain face. Males and females are similar in appearance.; habitat: Freshwater and saline lakes, swamps, rivers, farm dams, estuaries and temporary inland wetlands.; and behaviour: Highly mobile and capable of moving long distances to newly flooded inland wetlands. Often forms mixed flocks with other small ducks. If all four fit, the identification is much more convincing.

Sources and further reading

BirdGuide species information should be checked against authoritative Australian references as the site is expanded. Useful starting points include BirdLife Australia bird profiles and the Australian Museum bird collection. Image licensing for this page is recorded separately from the species information.