Bird guideBlack-backed Bittern

Formerly lumped with the little bittern, it is one of the smallest herons in the world.

⚠️WA: Endangered; NT: Endangered
🍃Indigenous: Minute Bittern, Kaoriki, Little Bittern

At a glance

FamilyHerons, Egrets, and Bitterns
SizeLarge
RarityUncommon
HabitatHabitat The birds are mainly found in freshwater wetlands, where they inhabit dense emergent vegetation of reeds and sedges, and inundated shrub thickets.
Best timeMost reliable in New South Wales from December to January.

Range map

Range map

200approx hotspots
3852approx records
6states
Low confidenceMediumHigh confidence

Aggregated occurance data is sourced from 14 different actively-updating datasets including eBird Australia, iNaturalist Australia, BirdLife Australia, and multiple state-based bird surveys through Atlas of Living Australia.

Species notes

Overview

Tiny secretive heron. Adult male has black back, brown neck, and streaked reddish-brown underparts. Female and juvenile lack black back and have streaked underparts. Most commonly observed in early morning or evening clambering along the edge of reed beds.

Behavior

Calls include a distinctive repeated growling or croaking bark.

Regional timing

Queensland
Peak: October to February1,247 records
New South Wales
Peak: December to January1,334 records
Victoria
Peak: October to November712 records
Western Australia
Peak: October to November103 records
South Australia
Peak: November to December99 records
Northern Territory
Peak: January to February21 records
Australian Capital Territory
Peak: December to January336 records
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