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It may have grown rapidly, attaining a growth rate of 30 to 35 kg (66 to 77 lb) per year early in life. The holotype specimen had multiple paleopathologies, including healed injuries and signs of a developmental anomaly. Dilophosaurus is known from the Kayenta Formation, and lived alongside dinosaurs such as Scutellosaurus and Sarahsaurus.
[30] [31] They can lay multiple clutches per season, and the number of eggs in a clutch can vary from four to over 20. [12] [30] The incubation period can last two to four months, [30] [31] with milder temperatures producing more males and more extreme temperatures producing more females. [31] Hatchlings have proportionally smaller frills than ...
Dilophosaurus was one of the earliest large predatory dinosaurs, living in what is now North America during the Early Jurassic, about 193 million years ago. The genus name means "two-crested lizard". It was smaller than some later theropods, about 7 meters (23 ft) in length, with a weight of about 400 kilograms (880 lb). It had a pair of plate ...
The spitting cobra can squirt venom from forward-facing holes in its fangs. [4] It aims for its victim's eyes, spitting up to 1.5 m. The venom may cause blindness. The Mangshan pitviper is also reported to spit venom.
Dilophosaurus is a featured article; it (or a previous version of it) has been identified as one of the best articles produced by the Wikipedia community. Even so, if you can update or improve it, please do so. This article appeared on Wikipedia's Main Page as Today's featured article on June 22, 2018.
Periodical cicadas, which emerge at intervals of 13 or 17 years, are often used as an example of this predator satiation, though other explanations of their unusual life-cycle have been proposed. [45] Vervet monkeys have different alarm signals that warn of attacks by eagles, leopards and snakes.
In both the novel and its film adaptation, a Dilophosaurus uses its venom on the character Dennis Nedry before killing him. [154] The animatronic was nicknamed "Spitter" by Winston's team. A paintball mechanism was used to spit the venom, which was a mixture of methyl cellulose, K-Y Jelly, and purple food coloring.
A pair of mating D. femorata in the Hudson Highlands region of New York. The common walkingstick is a slender, elongated insect that camouflages itself by resembling a twig. . The sexes differ, with the male usually being brown and about 75 mm (3 in) in length while the female is greenish-brown, and rather larger at 95 mm (3.7 i