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Eutreptornis
Extinct genus of birds From Wikipedia, the free encyclopedia
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Eutreptornis ("changing bird"[1])is a genus of extinct possible cariamiforme bird from the Late Eocene of Utah. It is traditionally considered to be a bathornithid,[2][3] though a combination of the relative incompleteness of the material alongside some differences from other bathornithids have raised some suspicions about this affiliation.[4][5]
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Description
Eutreptornis is currently represented by a single type species, E. uintae, in turn represented by a tibiotarsus and tarsometatarsus from the Uinta Formation of Utah.
Biology
It is represented by the smallest bathornithid remains known.[6] Due to the incompleteness of its remains it is unclear whereas it was flightless like other bathornithids. It was, however, most certainly a terrestrial predator, perhaps akin to its closest living relatives, the seriemas.
Ecology
Eutreptornis co-existed with a rich mammalian megafauna, such as the brontothere Megacerops, as well as other terrestrial birds, including other bathornithid birds such as the larger Bathornis species and the flightless crane-like geranoidids.[7]
References
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