2022年10月13日 · Sound normal- • Hypacrosaurus Sounds Hadrosaurs: • Hadrosauridae sound. Hypacrosaurus (meaning "near the highest lizard" [Greek υπο-, hypo- = less + ακρος, akros, high], because it was...

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The hollow crest of Hypacrosaurus most likely had social functions, such as a visual signal allowing individuals to identify sex or species, and providing a resonating chamber for making noises. [9] The crest and its associated nasal passages have also figured in the debate about dinosaur endothermy , specifically in discussions about nasal ...

Hypacrosaurus was a type of hadrosaur, or duck-billed dinosaur, that lived during the Late Cretaceous period, around 76 to 73 million years ago. It was a large herbivorous dinosaur that is known for its distinctive hollow crest on the top of its head.

亚冠龙是鸭嘴龙科的一属恐龙，属于植食性恐龙。生活在白垩纪晚期，(学名Hypacrosaurus)食物为各种蕨类植物。距今7200万年 ~ 7000万年前的晚白垩世，大型恐龙，体长9米。

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2023年7月7日 · Hypacrosaurus Size.svg 6,242 × 1,550; 146 KB Phylogeny of Hadrosauroidea.jpg 4,348 × 4,116; 1.54 MB Skull and postcranial evolution in hadrosauroids.png 1,400 × 639; 619 KB

Hypacrosaurus (meaning "almost the largest lizard") was a large, plant-eating, hollow-crested duck-billed dinosaur similar to Corythosaurus. The adults were about 30 feet (9 m) long. Their teeth were continually replacing, and packed into dental batteries that …

2023年12月18日 · Hypacrosaurus had a well-developed sense of hearing, thanks to its hollow crest. This feature allowed it to communicate with other members of its species over long distances. The crest may have also served as a resonating chamber, amplifying sounds made by …