''Matuku otagoense'', also referred to as the Saint Bathans heron, is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

and

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of heron from the

Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...

of New Zealand. It was described from

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

material collected in 2007 from the

Saint Bathans Fauna The St Bathans fauna is found in the lower Bannockburn Formation of the Manuherikia Group of Central Otago, in the South Island of New Zealand. It comprises a suite of fossilised prehistoric animals from the late Early Miocene (Altonian) period, ...

of the

Bannockburn Bannockburn ( Scottish Gaelic ''Allt a' Bhonnaich'') is an area immediately south of the centre of Stirling in Scotland. It is part of the City of Stirling. It is named after the Bannock Burn, a stream running through the town before flowing i ...

Formation in Otago, South Island. It was a contemporary of the much smaller Saint Bathans bittern, remains of which have been found in the same sediments. The genus name ''matuku'' is a Māori-language word meaning “heron” or "bittern". The specific epithet is a latinisation of the name of the Otago region where the descriptive material was collected.

References

Fossil taxa described in 2010 Birds described in 2010 Ardeidae Herons Miocene birds Extinct birds of New Zealand {{Paleo-bird-stub