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In the oldest fossil samples, no giant owls were found to accompany them, whereas the latest seemed to a range of owls attributed to all 3 species. The small owls supposedly were replaced by or evolved into T. robusta from some point onwards, and T. gigantea appeared later, supposedly alongside it as well as a recolonization by Continental ...
Most of the generic names in this list come from Jack Sepkoski's 2002 compendium of marine fossil genera, which can be corroborated by other sources such as Part L, Ammonoidea, in the Treatise on Invertebrate Paleontology. Additional generic names included come from the Treatise or various peer review scientific journals.
The bird family Tytonidae, which includes the barn owls Tyto and the bay owls Phodilus, is one of the two families of owls, the other being the true owls or typical owls, Strigidae. They are medium to large owls with large heads and characteristic heart-shaped faces. They have long, strong legs with powerful talons. They also differ from the ...
The book provides details on 810 species of birds, with information about identification, life history, vocalizations, and geographic distribution. It contains several paintings of each species, and is critically acclaimed for including images of each bird in flight.
This fossil is from a taxon similar in size to the great horned owl (B. virginianus) or the great grey owl (S. nebulosa). [ 11 ] The Sinclair owl ( Bubo sinclairi ) from Late Pleistocene California may have been a paleosubspecies of the great horned owl, [ 12 ] while the roughly contemporary Bubo insularis of the central and eastern ...
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These owls date from the early Eocene of the United States, Europe, and Mongolia. They have been described based on fossil remains. They have been described based on fossil remains. The genus was created by Pierce Brodkorb in 1971 to place a fossil species known until that time as Protostrix mimica .