Why No Giant Mammals?

Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you!

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SOURCES
http://news.discovery.com/animals/how-dinosaurs-got-so-big-120131.html
http://dinosaurs.about.com/od/dinosaurevolution/a/bigdinos.htm
http://www.newscientist.com/article/dn19771-why-mammals-grew-big–and-then-stopped.html
http://www.scientificamerican.com/article.cfm?id=land-size-limits-body-size
http://ngm.nationalgeographic.com/ngm/0507/resources_who.html

Felisa Smith: Why mammals never got big as biggest dinosaurs


http://www.sciencemag.org/content/330/6008/1216.abstract
http://www.cam.ac.uk/research/features/mammals-vs-dinosaurs
http://blogs.smithsonianmag.com/dinosaur/2012/06/when-mammals-ate-dinosaurs/
Personal milestones: publishing the Ph.D
http://www.slate.com/articles/news_and_politics/explainer/2009/02/a_snake_the_size_of_a_plane.html
http://www.dinodatabase.com/dinorcds.asp
http://voices.yahoo.com/indricotherium-largest-land-mammal-ever-237482.html
http://science.kqed.org/quest/2010/03/17/the-largest-land-mammal-that-ever-lived/
http://phenomena.nationalgeographic.com/2013/02/25/dinosaur-reproduction-not-ancient-gravity-made-sauropods-super-sized/
http://www.popsci.com/science/article/2012-02/hot-weather-makes-mammals-smaller-%E2%80%94%C2%A0what-does-mean-global-warming
http://scienceline.ucsb.edu/getkey.php?key=427
http://www.smithsonianmag.com/science-nature/dinosaurs/How-to-Build-a-Giant-Dinosaur.html
http://www.plosone.org/article/info:doi/10.1371/journal.pone.0028442
http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/bluewhale.htm

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