Shining Bronze Cuckoo

01 · Identification

How to tell it apart

The Shining Bronze Cuckoo is a small, stocky bird measuring 13 to 18 cm, distinguished by its striking iridescent coppery-green or golden-green upperparts and dark crown. Its white face and underparts are marked by bold, complete dark-green horizontal bars that extend unbroken across the chest. While sexes are similar, females often exhibit a purplish sheen on the crown and nape, with more bronze-toned barring on the belly. Juveniles are duller and lack the distinct barring of adults. Often heard before it is seen, its characteristic call is a series of repetitive, high-pitched upward-slurring whistles—"tu-whee, tu-whee"—frequently concluding with a long, descending "phew" or "pee-er." A secretive canopy dweller, it typically forages alone or in pairs for insects, specializing in hairy caterpillars and beetles. It utilizes a specialized gizzard to safely process and expel toxic caterpillar spines. Occupying a vast range of habitats including rainforests, eucalypt forests, mallee, and suburban gardens, it is a seasonal migrant. It breeds in southern and eastern Australia, including Tasmania, before moving to northern Australia and offshore islands for winter. As a brood parasite, it lays a single dark egg in the dome-shaped nests of small birds, particularly gerygones and thornbills. It is most easily confused with the Horsfield’s Bronze Cuckoo, which differs by having a prominent pale eyebrow, a dark eye-stripe, and incomplete breast bars. The Little Bronze Cuckoo is distinguished by its red eye-ring and the presence of rufous in the outer tail feathers.

Description · BirdUp · CC BY-SA 4.0

1. 01

   Iridescent metallic golden-green upperparts

   Covers the crown, back, and wings, appearing golden, coppery, or bronze depending on light conditions.

2. 02

   Bold, complete barring on white underparts

   Clean, dark green bars extend from the throat across the breast and flanks to the undertail coverts.

3. 03

   Contrasting white eyebrow and cheek patch

   A dark line often runs through the eye, separating the white eyebrow from the white on the side of the neck.