Google apparently doesn't let you win arguments with fools because any source you provide, even if you directly quote it without links, get immediately flagged as spam and deleted, so thanks for that! Anyways, to the complete fool who doesn't know that birds evolved from maniraptoran theropods on a random video in a galaxy far, far away -- here are my original sources ripped from online (just in case there's any confusion out there) "Birds evolved from a group of meat-eating dinosaurs called theropods. That's the same group that Tyrannosaurus rex belonged to, although birds evolved from small maniraptoran theropods. The gradual evolutionary change – from fast-running, ground-dwelling, bipedal theropods to small, winged, flying birds – probably started about 160 million years ago. It was possibly due to a move by some small theropods into trees in search of either food or protection." Lisa Hendry, Natural History Museum "Discoveries have shown that bird-specific features like feathers began to emerge long before the evolution of birds, indicating that birds simply adapted a number of pre-existing features to a new use. And recent research suggests that a few simple change—among them the adoption of a more babylike skull shape into adulthood—likely played essential roles in the final push to bird-hood. Not only are birds much smaller than their dinosaur ancestors, they closely resemble dinosaur embryos. Adaptations such as these may have paved the way for modern birds’ distinguishing features, namely their ability to fly and their remarkably agile beaks. The work demonstrates how huge evolutionary changes can result from a series of small evolutionary steps." - Emily Singer, Scientific America "The scientific question of within which larger group of animals birds evolved has traditionally been called the "origin of birds". The present scientific consensus is that birds are a group of maniraptoran theropod dinosaurs that originated during the Mesozoic Era. Although the origin of birds has historically been a contentious topic within evolutionary biology, only a few scientists still dispute the dinosaurian origin of birds, suggesting descent from other types of archosaurian reptiles. Within the consensus that supports dinosaurian ancestry, the exact sequence of evolutionary events that gave rise to the early birds within maniraptoran theropods is disputed. The origin of bird flight is a separate but related question for which there are also several proposed answers." - Wiki There are better links and explanations for people out there than these few that I skimmed from the web. But in truth, birds evolved from another species of the same type of dinosaur (theropods) long before their extinction and coexisted with other dinosaurs for much of the cretaceous period. Just like every other family of dinosaur from Dromaeosaurid, tyrannosauridae, and ankylosauridae. The idea that birds are somehow not reptiles because of an obtuse classification system, that they are not true dinosaurs, or that they did not co-exist with other dinosaurs... is simply incorrect.
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