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The long tail feathers would have occurred in both sexes, one of which was the largest. This interpretation is consistent with an avian-style mode of growth, as it was suggested by the earlier histological studies. It is also consistent with comparisons to modern birds, in which long tail feathers are typically unrelated to the sexes.
Isis and her sister Nephthys were ancient Egyptian goddesses commonly depicted with kite (bird) heads or wings attached to their arms. [19] [20] Karura in Japanese folklore, divine creatures with a human torso and a birdlike head. The Kinnara and Kinnari in southeast Asia are two of the most beloved mythological characters. They are benevolent ...
The earliest birds with a modern pygostyle: a reduction and fusion of the tail vertebrae; possibly a paraphyletic group. Two types of pygostyle are known, a rod-shaped one found in Confuciusornithidae , Enantiornithes and some non-avian theropods such as Nomingia , and a plowshare -shaped one, only known in the lineage leading to modern birds.
Archaeorhynchus (meaning "ancient snout") is a genus of beaked avialan stem-birds from the early Cretaceous period. A fossil of its only known species, Archaeorhynchus spathula, was first reported in 2005 by Zhou & Zhang to have been found in Yixian Formation rocks at Yixian, Liaoning province, China, showing a well-preserved and essentially complete skeleton. [1]
The shared history of birds and dinosaurs is well-established, but exactly how true birds evolved during the Mesozoic is a bit of a mystery. Adding to this conundrum are fossilized footprints of ...
The oldest fossil evidence for paravians — the dinosaur group that includes the earliest birds and their closest relatives — appears around the middle of the Jurassic Period (201.3 million to ...
The single feather. The initial discovery, a single feather, was unearthed in 1860 or 1861 and described in 1861 by Christian Erich Hermann von Meyer.The fossil consists of two counterslabs, designated BSP 1869 VIII 1 (main slab) and MB.Av.100 (counterslab), which are currently located at the Bavarian State Collection of Paleontology and Geology of Munich University and the Natural History ...
Aloft over the landscape of Bavaria some 147 million years ago was a pterosaur - an ancient flying reptile - with a wing span of about 7 feet (2 meters), a bony crest on front of its snout and a ...