Extinct Era on Instagram: "Spinosaurus was one of the largest predators of the mid-Cretaceous, a semi-aquatic hunter that fed on fish and shoreline prey in what is now North Africa. It shared this environment with Carcharodontosaurus, a massive land-based carnivore that hunted other dinosaurs. Fossils from the Kem Kem beds show both lived in the same region, hinting at possible competition for food. 📹 Planet Dinosaur (2011)"

Extinct Era on Instagram: "Fossil embryos from Montana and Alberta suggest that tyrannosaur hatchlings were already about a meter long and only a few kilograms in weight. Even at this stage, they carried the proportions of a predator, with relatively large heads, developing jaws, and tiny serrated teeth. Bone studies show that T. rex went through a rapid adolescent growth spurt, gaining several hundred kilograms each year during its teenage years. This growth pushed them from small, fragile hatc