Eulabeornis castaneoventris Gould, 1844, Flinders R., Gulf of Carpentaria. Two subspecies recognized.
OTHER COMMON NAMES
French: Rвle а ventre roux; German: Mangroveralle; Spanish: Cotara Australiana.
17.3–20.5 in (44–52 cm); 1.2–2.0 lb (550–910 g). Thickset, with gray head and pinkish brown underparts. Three color morphs, with upperparts olive, chestnut, or olive-brown. Juvenile has duller bare parts.
E. c. castaneoventris: northern coast of Australia; E. c. sharpei: Aru Island.
Diurnal and nocturnal, according to tidal cycle. Shy, secretive, and alert. Has a strutting walk; runs very swiftly. Gives a characteristic harsh screech. Territorial when breeding.
FEEDING ECOLOGY AND DIET
Eats mainly crabs; also other invertebrates. Uses stones as anvils to break shells of hermit crabs.
Monogamous. Breeds September through February. Nest a bulky platform of sticks, grass, leaves, bark and seaweed, in mangroves. Eggs four to five young fledged at nine weeks.
Not threatened. Patchily recorded; possibly overlooked. Probably not uncommon locally.
SIGNIFICANCE TO HUMANS
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