Family Ibises, Spoonbills (Threskiornithidae)

Least Concern

Straw-necked Ibis (Threskiornis spinicollis)


French: Ibis d’Australie German: Stachelibis Spanish: Ibis tornasolado

Ibis spinicollis


, 1835,

Murray River, New South Wales, Australia


Often placed in monospecific genus Carphibis. Monotypic.


Australia. Also non-breeding visitor to S parts of New Guinea; occasional visitor to Tasmania and several islands in Bass Strait.

Descriptive notes

59–76 cm; 1100–1500 g; wingspan 100–120 cm. Usually unmistakable, with highly iridiscent plumage, but can appear fairly uniform dirty dark brown in... read more


Mainly vocal around breeding colonies. Calls include croaks, barks and grunts. In flight, a hoarse... read more


Pastures, cultivation, irrigation areas, open forests and dry grasslands, often far from wetlands;... read more

Food and feeding

Diet consists mainly of insects (beetles, crickets, grasshoppers, caterpillars), spiders, freshwater crayfish (Cherax), snails,... read more


Season very variable, much influenced by water conditions; more fixed in S, in Aug–Dec; recorded in all months in C and N. Breeds in... read more


Partially migratory: some birds sedentary; others make seasonal or irregular movements as water... read more

Status and conservation

Not globally threatened (Least Concern). The global population is estimated to be about one million birds. This is the most widespread and abundant ibis in Australia, with... read more

Recommended citation

Matheu, E., del Hoyo, J., Garcia, E.F.J. & Boesman, P. (2019). Straw-necked Ibis (Threskiornis spinicollis). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 23 January 2019).