Tyto gigantea

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Tyto gigantea
Temporal range: Late Miocene 11.63–5.333  Ma
Tyto gigantea.JPG
Tyto gigantea
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Strigiformes
Family: Tytonidae
Genus: Tyto
Species:
T. gigantea
Binomial name
Tyto gigantea
Ballmann, 1973

Tyto gigantea is an extinct barn owl from what is now Gargano, Italy, dating back to the late Miocene. From its remains, T. gigantea is suggested to have been as large as or larger than the Eurasian eagle-owl (Bubo bubo).

Tibiotarsus of Tyto gigantea. Tyto gigantea - tibiotarsus.jpg
Tibiotarsus of Tyto gigantea.

This species seems to have lived at the same time as the closely related owl, Tyto robusta . [1] That would represent a single lineage of owls adapting to the largest size of their prey on the island, such as the great erinaceomorph of Gargano, Deinogalerix , and rodents. [2]

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<i>Deinogalerix</i> Extinct genus of mammals

Deinogalerix is an extinct genus of gymnure which lived in Italy in the Late Miocene, 7-10 million years ago. The genus was endemic to what was then the island of Gargano, which is now a peninsula in southeastern Italy bounded by the Adriatic Sea. The first specimens of Deinogalerix were first described in 1972.

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<i>Tyto robusta</i> Extinct species of bird

Tyto robusta was a prehistoric barn-owl. It lived at what is now Monte Gargano in Italy, and was an island throughout much of the Neogene when sea levels were higher. The owl's remains date back to the Miocene-Pliocene boundary 5.5 to 5 million years ago. The fossil bones are about 60% as long again as a modern barn owl, giving a total length of about 50–65 cm for T. robusta. This owl provides an interesting case study of evolution and insular gigantism.

T. gigantea may refer to:

<i>Garganornis</i> Extinct genus of birds

Garganornis is an extinct genus of enormous flightless anatid waterfowl from the Late Miocene of Gargano, Italy. The genus contains one species, G. ballmanni, named by Meijer in 2014. Its enormous size is thought to have been an adaptation to living in exposed, open areas with no terrestrial predators, and as a deterrent to the indigenous aerial predators like the eagle Garganoaetus and the giant barn owl Tyto gigantea.

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Rivero's barn owl is an extinct species of barn owl that was very large — bigger than any extant barn owl species, and possibly larger than any known owl alive today. It is thought to have been nearly as large as another extinct gigantic owl, Ornimegalonyx. Suárez and Olson demoted T. riveroi as a junior synonym of Tyto pollens in 2015.

References

  1. Pavia M. (2011). "Fossil birds from the Neogene of the Gargano (Apulia, SE Italy)". pp. 78–80. Retrieved 7 February 2019.
  2. Mlíkovský, J. (1998). A new barn owl (Aves: Strigidae) from the early Miocene of Germany, with comments on the fossil history of the Tytoninae. Journal für Ornithologie, 139(3), 247-261.