This genus currently contains two species, which mainly differ by their size, Songzia acutunguis Wang et al. and the slightly smaller Songzia heidangkouensis Hou.

These two species have much in common with the recent species of the rail family, yet may not be related to them, but may be closer to the extinct Messel ‘Rails’, the Messelornithidae, which themselves may or may not be members of the Gruiformes.

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The two Songzia ‘Rails’ are small, sparrow-sized birds, in life they probably inhabited the margins of lakes and other swampy areas.

The picture is just a sketch.

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Feather impressions are not known to my knowledge, however, I thought it would be a good idea to give the bird somewhat elongated tail feathers, since the feather impressions in some messelornithid fossils show that these birds had very long tail feathers.

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Resources:

[1] Min Wang; Gerald Mayr; Jiangyong Zhang; Zhonghe Zhou: Two new skeletons of the enigmatic, rail-like avian taxon Songzia Hou, 1990 (Songziidae) from the early Eocene of China. Alcheringa: An Australian Journal of Palaeontology 36: 487-499. 2012

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edited: 08.01.2017