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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 name derives from the ancient Greek ἀρχαῖος (archaīos), meaning "ancient", and πτέρυξ (ptéryx), meaning "feather" or "wing". Between the late 19th century and the early 21st century, Archaeopteryx was generally accepted by palaeontologists and popular reference books as the oldest known bird (member of the group Avialae ...
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 ...
Diagram showing specialized skulls and teeth of various ctenochasmatid pterosaurs. Compared to the other vertebrate flying groups, the birds and bats, pterosaur skulls were typically quite large. [24] Most pterosaur skulls had elongated jaws. [24] Their skull bones tend to be fused in adult individuals. [24]
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 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.
Archaeologists have uncovered strangely deformed sheep skulls at an ancient Egyptian burial site, representing the oldest known example of humans modifying livestock horns.. Researchers also found ...
It was more "advanced" or derived than Archaeopteryx in possessing a short tail with a pygostyle (a bone formed from a series of short, fused tail vertebrae) and a bony sternum (breastbone), but more basal or "primitive" than modern birds in retaining large claws on the forelimbs, having a primitive skull with a closed eye-socket, and a ...