troodontid

Troodontid


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Dino Stat Trumps:

Dinosaur Compendium Maximus




Binomial name(s): Troodontid formosus
Maximum known size: 3 feet
Lived when: Late Jurassic–Late Cretaceous Periods, 160–65 Ma
Classification: Order: Saurischia; Suborder: Theropoda;
Infraorder: Deinonychosauria; Superfamily: Troodontoidea;
Family: Troodontidae
Habitat: Land
Diet: Omnivorous
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Troodontidae is a group of bird-like theropod dinosaurs with feathers we have fossil specimen of. It had sickle-claws and raptorial hands, and some of the highest non-avian encephalization quotients, suggesting that they were behaviourally advanced and had keen senses. Their eyes were also large, and pointed forward, indicating that they had good binocular vision. The ears of troodontids were also unusual among theropods, having enlarged middle ear cavities, indicating acute hearing ability. The placement of this cavity near the eardrum may have aided in the detection of low-frequency sounds. Troodontid ears were also asymmetrical, with one ear placed higher on the skull than the other, a feature shared only with some owls. The specialization of the ears may indicate that troodontids hunted in a manner similar to owls, using their hearing to locate small prey.

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