Evergreen shrub or small tree. Grows 1 – 6 m high.
Leaves
Bright yellow-green to dark green and paler underneath. They are 4 – 15 cm long and 1 – 3 cm wide, and generally have a toothed or curved edge. The leaves have a minty smell when crushed.
Flowers
Funnel-shaped and white, or pink to pale mauve, with purple and orange spots inside. They are about 2 cm long and grow in clusters at the end of branches. They are slightly scented.
Metallic blue-black on top and light to dark grey on its breast and belly. Its forehead, throat and upper breast are rust in colour. It has grey legs and feet, and its eyes and bill are black. A young Welcome Swallow has shorter tail feathers than an adult and its forehead and throat are a creamy beige (instead of rust).
Distinctive feature
A deeply forked tail with a white band or row of spots on the long tail feathers.
Mostly light blue-grey in colour. The forehead, crown, chin and upper throat are white. It has a long, slim neck and a pointed grey-black bill. The legs are long and dull yellow in colour. Easily identifiable when seen from below with the dark flight feathers of the wing contrasting with the paler grey plumage.
Males and females are similar. When breeding, the birds have long feathers (nuptial plumes) on the head, neck and back. Young are similar in appearance to non-breeding adults, with little to no white on the face; underparts often have a reddish colour.
Distinctive feature
Its characteristic white face.
One of Australia's most widespread birds on mainland.Mostly black with a white belly and eyebrow. A young bird has paler, slightly rusty edges to its wing feathers.
Size
18 - 22 cm long (from head to tail)
Dark grey-brown above with some brown streaking. It is paler below with lighter streaks and has a slightly down-curved bill. Young birds are paler.
Distinctive feature
A broad yellow facial stripe across its eye which is bordered with black.
