Morphometric comparison of the Hesperornithiformes and modern diving birds

@article{Bell2019MorphometricCO,
  title={Morphometric comparison of the Hesperornithiformes and modern diving birds},
  author={Alyssa Bell and Yun-Hsin Wu and Luis Mar{\'i}a Chiappe},
  journal={Palaeogeography, Palaeoclimatology, Palaeoecology},
  year={2019}
}
The Hesperornithiformes: A Review of the Diversity, Distribution, and Ecology of the Earliest Diving Birds
The Hesperornithiformes (sometimes referred to as Hesperornithes) are the first known birds to have adapted to a fully aquatic lifestyle, appearing in the fossil record as flightless, foot-propelled
Anatomy of Parahesperornis: Evolutionary Mosaicism in the Cretaceous Hesperornithiformes (Aves)
The Hesperornithiformes constitute the first known avian lineage to secondarily lose flight in exchange for the evolution of a highly derived foot-propelled diving lifestyle, thus representing the
A Bird's Eye View: Hesperornithiforms as Environmental Indicators in the Late Cretaceous Western Interior Seaway
  • Laura E. Wilson
  • Environmental Science, Geography
    Transactions of the Kansas Academy of Science
  • 2019
Seabirds are considered indicators of ecological hotspots in modern ecosystems because their biogeographic distribution is correlated with physical, chemical, and biological oceanographic factors.
Quantitative Analysis of Morphometric Data of Pre-modern Birds: Phylogenetic Versus Ecological Signal
TLDR
The results indicate that while some ecological classes of modern birds can be discriminated from each other, phylogenetic signature can overwhelm ecological signal in morphometric data, potentially limiting the inferences that can be made from ecomorphological studies.
Shark-Bitten Hesperornithiform Bird Bone from a Turonian (Upper Cretaceous) Marine Deposit of Northeastern South Dakota, U.S.A.
  • K. Shimada, H. Hanks
  • Environmental Science
    Transactions of the Kansas Academy of Science
  • 2020
In this paper, a shark-bitten partial tibiotarsus of a hesperornithiform bird is described from the Upper Cretaceous of Grant County, South Dakota, U.S.A. Whether the bite marks represent a predatory
Evolution of birds
  • D. Ksepka
  • Biology
    Sturkie's Avian Physiology
  • 2022

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TLDR
Diversity in Hesperornithiforms that existed in the Late Cretaceous Western Interior Seaway points to the existence of a complex ecosystem, perhaps with a high degree of niche partitioning, as indicated by the varying degrees of diving specializations among these birds.
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