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The New Zealand bittern (Botaurus novaezelandiae) is an extinct and enigmatic species of heron in the family Ardeidae. It was endemic to New Zealand and was last recorded alive in the 1890s. [2] Common names for this species include New Zealand little bittern, spotted heron, and kaoriki . [3]
The little bittern has a length of 33–38 centimetres (13–15 in) and a wing span of 52–58 centimetres (20–23 in). It is the smallest of the breeding herons of Europe and is characterised by its tiny size, long and sharp bill and thick neck.
Little bittern (Botaurus minutus) Australian little bittern (Botaurus dubius) †New Zealand little bittern (Botaurus novaezelandiae) Cinnamon bittern (Botaurus cinnamomeus) Stripe-backed bittern (Botaurus involucris) Least bittern (Botaurus exilis) Yellow bittern (Botaurus sinensis) Schrenck's bittern (Botaurus eurhythmus) Dwarf bittern ...
Cinnamon bittern: Botaurus cinnamomeus (Gmelin, JF, 1789) 15 Von Schrenck's bittern: Botaurus eurhythmus (Swinhoe, 1873) 16 Dwarf bittern: Botaurus sturmii (Wagler, 1827) 17 Little bittern: Botaurus minutus (Linnaeus, 1766) 18 Yellow bittern: Botaurus sinensis (Gmelin, JF, 1789) 19 Black-backed bittern: Botaurus dubius Mathews, 1912: 20 New ...
The bittern has sometimes been regarded as a subspecies of the little bittern (Botaurus minutus), or of the New Zealand bittern (Botaurus novaezelandiae).However, molecular evidence has shown it to be more closely related to the yellow bittern (Botaurus sinensis) than to the African and Palaearctic forms of the little bittern, and it is now recognised as a full species.
Little bittern: Africa, central and southern Europe, western and southern Asia, and Madagascar Botaurus sinensis (formerly placed in Ixobrychus) Yellow bittern: northern Indian Subcontinent, east to the Russian Far East, Japan and Indonesia. Botaurus dubius (formerly placed in Ixobrychus) Black-backed bittern: Australia and southern New Guinea
This list is based on the Handbook of Australian, New Zealand and Antarctic Birds list, May 2002 update, with the doubtfuls omitted. It includes the birds of Australia, New Zealand, Antarctica, and the surrounding ocean and subantarctic islands. Australian call-ups are based on the List of Australian birds.
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