Mangrove Gerygone Gerygone levigaster Scientific name definitions

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Editor's Note: Additional distribution information for this taxon can be found in the 'Subspecies' article above. In the future we will develop a range-wide distribution article.

Recorded in all months, but principally spring-summer in E Australia and autumn-spring dry season in N; multi-brooded, and will renest after failure. Female believed to build, and seems to be sensitive to disturbance when building; nest a compact oval, domed, with spout-like hooded entrance at side near top, made from grass, roots, bark, dry seaweed and moss, bound with spider webs, lined with feathers and soft plant material, decorated on outside with spider cocoons and egg sacs (occasionally other material, e.g. lichen); suspended from branch usually of mangrove, occasionally of other tree (e.g. paperbark); recorded as nesting near large wasp colonies in Kimberley (Western Australia). Clutch 2–3 eggs, usually 3, pale pinkish to blue (rarely, white), with light red-brown flecks and spots either over whole shell or forming cap or zone at large end; incubation period 14–17 days; chicks seen fed by both adults, nestling period 14–17 days. Nests in Australia parasitized by Little (Chalcites minutillus), Shining (Chalcites lucidus) and Horsfield’s Bronze-cuckoos (Chalcites basalis). The ejection of hatchlings of C. minutillus from parasitized nests has been recorded in N Australia (2 Tokue, K., and K. Ueda (2010). Mangrove Gerygones Gerygone laevigaster eject Little Bronze-cuckoo Chalcites minutillus hatchlings from parasitized nests. Ibis 152(4):835–839. Close ).