Where Are All the Tiny Dinosaurs?

What was the smallest non-avian dinosaur, and why were there so few tiny dinos running around the Mesozoic?

Hosted by: Stefan Chin

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Sources:
https://www.nature.com/articles/s41598-018-35289-4
https://www.scientificamerican.com/article/tiny-footprints-may-have-been-made-by-worlds-smallest-nonavian-dinosaur/
https://www.nature.com/articles/s41598-019-38633-4
https://www.smithsonianmag.com/smart-news/exquisitely-preserved-skin-impressions-found-dinosaur-footprints-180971935/
https://www.geol.umd.edu/~tholtz/G104/lectures/104fossils.html
https://www.audubon.org/news/get-know-bee-hummingbird-worlds-smallest-bird
https://www.theguardian.com/science/lost-worlds/2012/aug/17/bias-fossil-record
https://www.researchgate.net/publication/226523720_A_new_feathered_maniraptoran_dinosaur_fossil_that_fills_a_morphological_gap_in_avian_origin
http://www.prehistoric-wildlife.com/species/m/microraptor.html
https://www.theguardian.com/science/lost-worlds/2012/dec/19/dinosaurs-fossils

Image Sources:
https://www.istockphoto.com/photo/stegosaurus-forest-scene-3d-illustration-gm1168444910-322629921
https://www.istockphoto.com/photo/cuban-bee-hummingbird-gm505799948-83844847
https://en.wikipedia.org/wiki/Microraptor#/media/File:Microraptor_by_durbed.jpg
https://en.wikipedia.org/wiki/Microraptor#/media/File:Microraptor_scale.png
https://www.istockphoto.com/photo/dinosaur-fossil-found-by-archaeologists-gm1187632820-335571627
https://www.istockphoto.com/vector/seamless-repeat-pattern-with-different-shape-colorful-dinosaur-foot-prints-tracks-gm1196114133-341112918
https://www.istockphoto.com/vector/world-map-countries-gm1098288750-294967258
https://www.nature.com/articles/s41598-019-38633-4/figures/4
https://www.istockphoto.com/photo/male-red-winged-blackbird-perched-on-green-plant-with-yellow-flowers-next-to-lake-gm1153355584-313205504
https://www.istockphoto.com/photo/pack-of-raptor-dinosaurs-running-dromaeosaurs-3d-illustration-isolated-on-white-gm849159090-139334479