Australasian Bittern - Ocean: Distribution and vegetation associations

Conservation status in NSW: Endangered

Commonwealth status: Endangered

Distribution of the species within this region

IBRA sub-region	Known or predicted	Geographic restrictions within region
Batemans Shelf	Known	None
Manning Shelf	Known	None

Vegetation formations, classes and types

• Forested wetlands
  • Coastal Floodplain Wetlands
    • 4015 Central Hunter Riparian Forest
    • 4016 Clarence Floodplain Swamp Oak Forest
    • 4019 Coastal Alluvial Bangalay Forest
    • 4020 Coastal Creekflat Layered Grass-Sedge Swamp Forest
    • 4021 Coastal Creekline Dry Shrubby Swamp Forest
    • 4023 Coastal Valleys Riparian Forest
    • 4024 Cumberland Blue Box Riverflat Forest
    • 4025 Cumberland Red Gum Riverflat Forest
    • 4026 Estuarine Sea Rush Swamp Oak Forest
    • 4028 Estuarine Swamp Oak Twig-rush Forest
    • 4027 Estuarine Swamp Oak-Mangrove Forest
    • 4029 Far North Creekflat Paperbark Swamp Forest
    • 4030 Far North Estuarine Swamp Oak Forest
    • 4032 Far North Floodplain Red Gum Sedge Forest
    • 4033 Far North Hinterland Flats Mesic Apple Forest
    • 4034 Far North Swamp Oak-Tuckeroo Swamp Fringe Forest
    • 4035 Far South Floodplain Wetland Paperbark Scrub
    • 4036 Hunter Coast Lake Flats Apple Forest
    • 4037 Hunter Coast Swamp Oak Rainforest
    • 4038 Hunter Estuarine Melaleuca nodosa Scrub
    • 4039 Hunter Range Creekflat Apple-Red Gum Forest
    • 4041 Lower Hunter Flats Red Gum Mesic Forest
    • 4042 Lower North Riverflat Eucalypt-Paperbark Forest
    • 4044 Northern Creekflat Eucalypt-Paperbark Mesic Swamp Forest
    • 4045 Northern Lowland Swamp Turpentine-Paperbark Forest
    • 4046 Northern Lowland Swamp Turpentine-Red Gum Forest
    • 4047 Northern Swamp Mahogany-Bottlebrush Swamp Forest
    • 4048 Northern Swamp Oak-Paperbark Forest
    • 4049 South Coast Floodplain Grassy Swamp Forest
    • 4050 South Coast Floodplain Wetland Paperbark Scrub
    • 4051 South Coast Lowland Red Gum-Swamp Oak Forest
    • 4054 South Coast Tidal Flats Samolus Paperbark-Grey Box Forest
    • 4055 South Coast Upper Floodplain Wetland
    • 4056 Southern Estuarine Swamp Paperbark Creekflat Scrub
    • 4057 Sydney Creekflat Swamp Mahogany-Paperbark Forest
    • 4058 Sydney Hinterland Red Gum Riverflat Forest
    • 4059 Sydney Hinterland Sandy Creekflat Shrub Forest
    • 4060 Yengo Creekflat Sedgeland
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  • Coastal Swamp Forests
    • 3983 Central Coast Flats Mesic Swamp Forest
    • 3984 Clarence Lowland Paperbark Sedge Swamp Woodland
    • 3985 Coastal Floodplain Swamp Paperbark Scrub
    • 3996 Coastal Sand Swamp Mahogany Dry Forest
    • 3986 Coastal Sands Swamp Mahogany Rush Forest
    • 3987 Far North Floodplain Paperbark-Swamp Oak Forest
    • 3988 Far North Mesophyll Paperbark Swamp Forest
    • 3989 Far North Paperbark Fern Swamp Forest
    • 3990 Far North Paperbark Gahnia Swamp Forest
    • 3991 Far North Sands Swamp Turpentine-Paperbark Forest
    • 3993 Far North Swamp Oak-Paperbark Tidal Forest
    • 3995 Hunter Coast Paperbark-Swamp Mahogany Forest
    • 3997 Hunter Coast Sandplain Sedge Paperbark Wetland
    • 3998 Lower North Creekflat Mahogany Swamp Forest
    • 4000 Northern Estuarine Paperbark Sedge Forest
    • 4001 Northern Floodplain Paperbark Fern Swamp Forest
    • 4002 Northern Lowland Orange Gum Dry Swamp Forest
    • 4003 Northern Lowland Swamp Turpentine-Mahogany Forest
    • 4004 Northern Melaleuca quinquenervia Swamp Forest
    • 4005 Northern Paperbark Banksia Littoral Forest
    • 4006 Northern Paperbark-Swamp Mahogany Saw-sedge Forest
    • 4007 Northern Sands Paperbark Sedge Low Forest
    • 4008 Northern Sands Swamp Mahogany Shrubby Rush Forest
    • 3992 Northern Sandy Alluvium Heathy Swamp Forest
    • 4009 Shoalhaven Lowland Flats Wet Swamp Forest
    • 4010 Sydney Hinterland Creekflat Paperbark Scrub
    • 4012 Tomago Drooping Red Gum Swamp Woodland
    • 4013 Wyong Paperbark-Woollybutt Swamp Forest
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  • Eastern Riverine Forests
    • 4061 Bega-Towamba Riparian Scrub
    • 4062 Capertee Riparian Paperbark Thicket
    • 4063 Central and Southern Tableland River Oak Forest
    • 4064 Central Eastern Ranges River Oak Forest
    • 4065 Central Tableland Riverine Complex
    • 4066 Clarence Valley River Oak Wet Forest
    • 4067 Deua Riparian Wattle Scrub
    • 4068 Ettrema Plateau Riparian Scrub
    • 4069 Far North Creekline Wet Forest
    • 4070 Far North River Oak Wet Forest
    • 4071 Far South Hinterland Riparian Scrub
    • 4072 Hunter River Oak Mesic Forest
    • 4073 Lower North Hinterland River Oak Forest
    • 4077 Northern Coastal River Oak Wet Forest
    • 4078 Northern Gorges River Oak Forest
    • 4079 Northern Hinterland Grassy River Oak Forest
    • 4076 Northwest Ranges River Oak Forest
    • 4080 Northwest River Oak-Apple Forest
    • 4081 Northwest River Oak-River Red Gum Forest
    • 4075 Northwest River Red Gum-River Oak Sheltered Forest
    • 4083 Southeast Tableland Rocky Riparian Scrub
    • 4084 Southern Escarpment River Oak Forest
    • 4085 Southwest Tableland Gorges Riparian Shrubland
    • 4086 Sydney Coastal Sandstone Riparian Scrub
    • 1270 Tea-tree shrubland of drainage areas of the slopes and tablelands
    • 4087 Upper Orara Riparian Wet Forest
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  • Inland Riverine Forests
    • 356 Blakely's Red Gum x Dirty Gum - White Cypress Pine tall riparian woodland, NSW South Western Slopes Bioregion
    • 4089 Namoi-Upper Hunter River Red Gum Forest
    • 10 River Red Gum - Black Box woodland wetland of the semi-arid (warm) climatic zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
    • 11 River Red Gum - Lignum very tall open forest or woodland wetland on floodplains of semi-arid (warm) climate zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
    • 8 River Red Gum - Warrego Grass - Couch Grass riparian tall woodland wetland of the semi-arid (warm) climate zone (Riverina Bioregion and Murray Darling Depression Bioregion)
    • 249 River Red Gum swampy woodland wetland on cowals (lakes) and associated flood channels in central NSW
    • 36 River Red Gum tall to very tall open forest / woodland wetland on rivers on floodplains mainly in the Darling Riverine Plains Bioregion
    • 4088 Southwest Riverflat Red Gum Forest
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• Freshwater wetlands
  • Coastal Freshwater Lagoons
    • 3958 Castlereagh Gravel Sedgeland
    • 3960 Coast Sands Cladium Sedgeland
    • 3959 Coast Sands Jointed Twig-rush Sedgeland
    • 3961 Coast Sands Lepironia Sedgeland
    • 3962 Coastal Floodplain Phragmites Reedland
    • 3963 Estuarine Reedland
    • 3964 Far North Floodplain Fern-Forb Wetland
    • 3965 Far North Floodplain Forb-Sedge Wetland
    • 3973 Far North Floodplain Paperbark Sedge Wetland
    • 3966 Foredune Swale Marsh
    • 3967 Northern Lower Floodplain Eleocharis Wetland
    • 3968 Northern Sands Baloskion-Machaerina Wetland
    • 3914 Northern Sands Chorizandra Sedgeland
    • 3969 Northern Sands Machaerina-Eleocharis Sedgeland
    • 3970 Northern Sands Water Couch Wetland
    • 3971 Northern Sandy Floodplain Sedge Paperbark Wetland
    • 3974 Pambula Dune Swale Red Gum Swamp Woodland
    • 4098 South Coast Dune Sea Spray Wetland
    • 3957 South Coast Sands Shrub Swamp
    • 3975 Southern Lower Floodplain Freshwater Wetland
    • 3976 Southern Sands Freshwater Lagoon Wetland
    • 1738 Spirodella freshwater wetland
    • 3977 Sydney Coastal Headland Lagoon Sedgeland
    • 3972 Sydney Creekflat Wetland
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  • Coastal Heath Swamps
    • 3894 Blue Mountains Creekline Shrub Swamp
    • 3929 Blue Mountains Swamp Heath
    • 3895 Budawang Damp Swamp Heath
    • 3896 Budderoo-Morton Damp Swamp Heath
    • 3898 Clarence Lowland Smudgy Apple Banksia Forest
    • 3899 Clarence Sandstone Plateau Wet Heath
    • 3920 Coastal Clifftop Shrubby Marsh
    • 3921 Coastal Sydney Sand Saw-sedge Wet Shrubland
    • 3901 Far South Hinterland Heath
    • 3903 Far Southeast Lowland Heath Swamp
    • 3902 Far Southeast Shrubby Swamp Woodland
    • 3904 Hunter Coast Grasstree Graminoid Swamp Scrub
    • 3905 Jervis Bay Headland Dune Wet Heath
    • 3897 Lower Clarence Sandy Creekflat Sedgeland
    • 3907 Lower North Sands Swamp Scrub
    • 3908 Lower North Sands Wallum Bottlebrush Swamp Heath
    • 3909 Mellong Creekflat Wet Heath
    • 3906 Northern Lowland Clay Wet Heath
    • 3911 Northern Sand Swale Fernland
    • 3912 Northern Sand Swale Paperbark Sedge Shrubland
    • 3900 Northern Sandplain Saw-sedge-Fern Swamp Heath
    • 3913 Northern Sandplain Wet Heath
    • 3915 Northern Sands Prickly Tea-tree Wet Shrubland
    • 3916 Sandstone Cliff Soak
    • 3917 Shoalhaven Lowland Heath
    • 3919 Southern Highlands Wet Swamp Heath
    • 3922 Sydney Coastal Sand Swamp Scrub
    • 3923 Sydney Coastal Sandstone Creekline Swamp Heath
    • 3924 Sydney Coastal Upland Swamp Heath
    • 3925 Sydney Sandstone Button Grass Sedgeland
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  • Inland Floodplain Shrublands
    • 375 Budda Pea - Channel Millet ephemeral reedland wetland on floodplains in north-western NSW
    • 24 Canegrass swamp tall grassland wetland of drainage depressions, lakes and pans of the inland plains
    • 161 Golden Goosefoot shrubland wetland in swamps of the arid and semi-arid (hot summer) zones
    • 17 Lignum shrubland wetland of the semi-arid (warm) plains (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
    • 247 Lignum shrubland wetland on regularly flooded alluvial depressions in the Brigalow Belt South Bioregion and Darling Riverine Plains Bioregion
    • 160 Nitre Goosefoot shrubland wetland on clays of the inland floodplains
    • 241 River Coobah swamp wetland on the floodplains of the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
    • 240 River Coobah tall shrubland wetland of the floodplains in the Riverina Bioregion and Murray Darling Depression Bioregion
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  • Inland Floodplain Swamps
    • 66 Artesian Mound Spring sedgeland wetland mainly of the Mulga Lands Bioregion
    • 181 Common Reed - Bushy Groundsel aquatic tall reedland grassland wetland of inland river systems
    • 182 Cumbungi rushland wetland of shallow semi-permanent water bodies and inland watercourses
    • 360 Gilgai wetland mosaic in the southern NSW South Western Slopes Bioregion
    • 238 Permanent and semi-permanent freshwater lakes wetland of the inland slopes and plains
    • 416 Pilliga tank gilgai wetland sedgeland rushland, Brigalow Belt South Bioregion
    • 465 Reedland - tussock grass - segeland fen swampy wetland of impeded creeks in southern Brigalow Belt South Bioregion
    • 400 Riparian sedgeland rushland wetland of the Pilliga to Goonoo sandstone forests, Brigalow Belt South Bioregion
    • 447 Sedgeland - forbland wetland in depressions on valley flats of the NSW North-western Slopes
    • 361 Sedgeland fen wetland of spring-fed or runoff-fed creeks in the southern Pilliga - Warrumbungle Range region, Brigalow Belt South Bioregion
    • 53 Shallow freshwater wetland sedgeland in depressions on floodplains on inland alluivial plains and floodplains
    • 12 Shallow marsh wetland of regularly flooded depressions on floodplains mainly in the semi-arid (warm) climatic zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
    • 3982 Southwest Floodplain Wetland Meadow
    • 410 Swamp Paper-bark very tall shrubland wetland on sodic soils in the Pilliga Scrub region
    • 1291 Warrego Grass - Nardoo wet grassland of the Brigalow Belt South Bioregion
    • 204 Water Couch marsh grassland wetland of frequently flooded inland watercourses
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  • Montane Bogs and Fens
    • 3926 Barrington Granodiorite Subalpine Swamp Woodland
    • 3927 Barrington Subalpine Swamp Meadow
    • 3928 Blue Mountains Damp Coral Fern Swamp
    • 3930 Bondo Montane Flats Swamp Woodland
    • 3931 Budawang Escarpment Damp Coral Fern Forest
    • 3932 Central and Southern Tableland Swamp Meadow Complex
    • 3934 Eastern New England Granite Wet Heath
    • 3935 Eastern New England Rocky Riparian Scrub
    • 3936 Ebor Basalt Wet Heath
    • 3939 Kosciuszko Western Flanks Wet Meadow
    • 3940 Liverpool Range Swampy Tea-tree Shrubland
    • 3941 Megalong Valley Fringing Swamp Scrub
    • 3942 Monaro Creekflat Peat Swamp
    • 3943 Nadgigomar Sand Swamp Woodland
    • 3933 New England Orange Gum Boggy Woodland
    • 4164 New England Peppermint Swamp Margin Woodland
    • 3944 New England Tableland Carex Fens
    • 3945 Newnes Plateau Shrub Swamp
    • 3946 Newnes Plateau Swamp Woodland
    • 3937 Northern Escarpment Granitoid Wet Heath
    • 3947 Northern Escarpment Montane Swamp Forest
    • 3948 Southeast Subalpine Bog
    • 3949 Southern Highlands Sand Swamp Sedgeland
    • 3950 Southern Highlands Sand Swamp Woodland
    • 3951 Southern Tableland Ranges Boggy Open Woodland
    • 3952 Tuggolo Adamellite Montane Heath Swamp
    • 3953 Western Blue Mountains Swamp Gum Low Forest
    • 3954 Western Central Tableland Upland Swamp
    • 3955 Western New England Granites Riparian Scrub
    • 3956 Western New England Wet Tea-tree Scrub
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  • Montane Lakes
    • 3978 Morass Margin Shallow Wetlands
    • 3979 Northern Basalt Benches Intermittent Swamps
    • 3980 Southern Lacustrine Herbfield
    • 3981 Tableland Semi-permanent Shallow Wetlands

• Grasslands
  • Maritime Grasslands
    • 3407 Central Headland Grassland
    • 3408 Northern Headland Grassland
    • 3409 Southern Headland Grassland
    • 3410 Spinifex Strandline Grassland

• Grassy woodlands
  • Coastal Valley Grassy Woodlands
    • 4052 South Coast Low Hills Red Gum Grassy Forest
  • Southern Tableland Grassy Woodlands
    • 3376 Southern Tableland Grassy Box Woodland
  • Tableland Clay Grassy Woodlands
    • 3338 Goulburn Tableland Frost Hollow Grassy Woodland

• Heathlands
  • Sydney Coastal Heaths
    • 3813 Sydney Hinterland Dwarf Apple Low Woodland
  • Wallum Sand Heaths
    • 3801 Far North Sandplain Wallum Heath
    • 3802 Lower North Sandplain Wallum Heath
    • 3803 Northern Sandplain Damp Wallum Heath

• Miscellaneous ecosystems
  • Highly disturbed areas with no or limited native vegetation
    • 99997 Highly disturbed areas - road verges, table drains, road embankments, ploughed paddocks etc.
  • Water bodies, rivers, lakes, streams (not wetlands)
    • 99996 Water bodies, rivers, lakes, streams (not wetlands)

• Rainforests
  • Littoral Rainforests
    • 3132 Northern Sands Tuckeroo-Banksia Forest
  • Subtropical Rainforests
    • 4031 Far North Estuarine Swamp Oak Rainforest

• Saline wetlands
  • Mangrove Swamps
    • 4090 Far North Estuarine Mangrove-Swamp Oak Forest
    • 4091 Grey Mangrove-River Mangrove Forest
  • Saltmarshes
    • 4092 Coastal Headland Sea Spray Grassland
    • 4094 Estuarine Club Rush-Arrowgrass Wetland
    • 4095 Paspalum vaginatum-Samphire Saltmarsh
    • 4096 Prickly Couch-Sea Rush Saltmarsh
    • 4097 Samphire Saltmarsh
    • 4102 South Coast Bracelet Honey-myrtle Sea Rush Saltmarsh
    • 4040 South Coast Selliera-Sea Rush Swamp Oak Saltmarsh
    • 4101 South Coast Spear-grass Saltmarsh
    • 4103 Sporobolus virginicus Saltmarsh
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• Semi-arid woodlands (grassy sub-formation)
  • Inland Floodplain Woodlands
    • 13 Black Box - Lignum woodland wetland of the inner floodplains in the semi-arid (warm) climate zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
    • 630 Black Box - Silver Saltbush chenopod open woodland on terrace rises on alluvial plains in the lower Darling River and lower Murray River region of the Murray Darling Depression Bioregion
  • North-west Floodplain Woodlands
    • 37 Black Box woodland wetland on NSW central and northern floodplains including the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion.
    • 39 Coolabah - River Coobah - Lignum woodland wetland of frequently flooded floodplains mainly in the Darling Riverine Plains Bioregion

• Wet sclerophyll forests (shrubby sub-formation)
  • North Coast Wet Sclerophyll Forests
    • 4043 Mid North Lowland Riparian Wet Forest