During this experiment, Dunphy-Daly found that turtle hatchlings actually decreased their dive time and spent more time at the surface. Their options were to get air and risk getting hit by the bird beak, or diving down to the bottom of the tank to get food. Turtles are air-breathing, so each hatchling was given the option to sit where they could be at the surface of their tank and breathe, but this spot was also where the turtle hatchlings thought the bird beak might shoot down at any time to try to “eat” them. In real life, blue herons and other large birds prey on these turtle hatchlings, so the researchers made a model skull of a blue heron that they painted and covered with feathers. She has performed research both in labs and in the field to study the effects that removing large predators have on marine ecosystems.ĭunphy-Daly discussed one lab experiment where 10 yellow-bellied slider turtle hatchlings were kept in tanks where they couldn’t see people or anything else on the outside. The act of Predators fighting each other for the honor of going on a hunt makes perfect sense for their incredibly violent culture, and it leads one to wonder if this is how every hunt is decided.This is a “trophic cascade” and it has large effects on ecosystems, Duke Marine Lab instructor Meagan Dunphy-Daly t0ld the Sustainable Oceans Alliance last Thursday. Not only did this fight decide who would go on the hunt, but it also revealed who would lead the hunt. On the Predator ship, before the escape pods were launched and the chosen Predators would descend upon this world to kill their first Xenomorph and earn a place in their clan, every Predator who was competing to participate in this Bleeding Ritual had to fight each other until there was only a few handfuls left. So, in order to fully capture its importance, issue #0 was released to allow fans to see what happened in the moments right before the start of Aliens vs Predator #1–including how the Predators chose who would hunt this particular Xenomorph horde. ![]() This is the first official Alien vs Predator story ever told, second only to the single-issue (quarter issue, really) storyline in Dark Horse Presents #36. ![]() In Aliens vs Predator #0 by Randy Stradley and Phill Norwood, readers are given a glimpse at the calm before the storm of this iconic AvP storyline. However, in the Predators’ eyes, no other species can compare to their ultimate prey: each other. Despite the cultural importance of the Xenomorph species, Predators seem almost obsessed with hunting humans as they have been doing so since at least the 1700s and all the way through to the distant future. In fact, the whole reason Yautja and Xenomorphs battle each other is that Predators recognize a ceremonial rite of passage for the younger members of their species called the Blooding Ritual where a Predator has to kill a Xenomorph in order to be considered a true member of the clan. Across a plethora of novels, comics, video games, and movies–both in the solo Predator universe and the shared AvP canon–Predators are depicted as arguably the deadliest warriors in the cosmos, with a culture that revolves entirely around the hunt. ![]() Yautja were introduced in 1987’s Predator, a movie that was a huge hit and launched a widely successful franchise that would eventually evolve into an entirely new (yet equally epic) crossover series called Alien vs Predator.
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