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In the modern fauna, theropods are represented by over 11,000 species of birds, which are a group of maniraptoran theropods within the clade Avialae.. Theropoda (/ θ ɪəˈr ɒ p ə d ə /; [2] from ancient Greek θηρίο-ποδός [θηρίον, (therion) "wild beast"; πούς, ποδός (pous, podos) "foot"]), commonly known as theropods, is an extant dinosaur clade that is ...
Bird is a 2024 drama film written and directed by Andrea Arnold and starring Nykiya Adams, Barry Keoghan, and Franz Rogowski. The film had its world premiere at the 77th Cannes Film Festival on 16 May 2024. [ 3 ]
The Birds is a 1963 American natural horror-thriller film produced and directed by Alfred Hitchcock, released by Universal Pictures and starring Jessica Tandy, Rod Taylor, Suzanne Pleshette, and introducing Tippi Hedren in her film debut.
As scientists have discovered more theropods closely related to birds, the previously clear distinction between non-birds and birds has become blurred. By the 2000s, discoveries in the Liaoning Province of northeast China, which demonstrated many small theropod feathered dinosaurs , contributed to this ambiguity.
Avialae ("bird wings") is a clade containing the only living dinosaurs, the birds, and their closest relatives.It is usually defined as all theropod dinosaurs more closely related to birds (Aves) than to deinonychosaurs, though alternative definitions are occasionally used (see below).
This is an accepted version of this page This is the latest accepted revision, reviewed on 14 January 2025. Clade containing most theropod dinosaurs Tetanurans Temporal range: Early Jurassic – Present, 201–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Six tetanurans (top left to bottom right): Monolophosaurus in combat with non-tetanuran dinosaur Tuojiangosaurus, Allosaurus, Deinocheirus ...
Air sacs are spaces within an organism where there is the constant presence of air. Among modern animals, birds possess the most air sacs (9–11), with their extinct dinosaurian relatives showing a great increase [clarification needed] in the pneumatization (presence of air) in their bones. [1]
Alvarezsauridae is a family of small, long-legged dinosaurs.Although originally thought to represent the earliest known flightless birds, they are now thought to be an early diverging branch of maniraptoran theropods.