Question: The Animal World and Train Life, are films from which genre?
Context: Train Life is a 2006 documentary film about riders on Amtrak's Capitol Corridor.  It tells the story of life aboard the train through interviews with 12 commuters. National Geographic Kids is the child-focused brand of National Geographic Partners.  Nat Geo Kids inspires young adventurers to explore the world through award-winning magazines, books, apps, games, toys, videos, events, and a website, and is the only kids brand with a world-class scientific organization at its core.  National Geographic Kids magazine (10 issues per year) and "Little Kids" magazine (six issues per year) are photo-driven publications and are available on newsstands or by subscription in print and on tablets.  The award-winning website natgeokids.com excites kids about the planet through games, videos, contests, photos, quizzes and blogs about cultures, animals and destinations.  National Geographic Kids Books is the leading nonfiction publisher with as many as 125 nonfiction titles each year, including the "New York Times" best-selling "Kids Almanac".  National Geographic Kids games and apps engage kids to learn through play, the online virtual animal world of "Animal Jam" and the "Weird But True" app being a few examples. Manuel María Fernández Teixeiro, better known as Manuel María (October 6, 1929, Outeiro de Rei–September 8, 2004, A Coruña), was a Spanish poet and academic who wrote in the Galician language.  He was notable for his combative character and his political commitment.  His poetry touched on themes of love, art, his own political commitment, drawing attention to wrongs, ethnography, physics, history, immateriality, mythology, the animal world, poetic expression, the passing of time, religion, society, language, agricultural labour, urbanism, and geography.  The Day of Galician Literature was devoted to him in 2016. The Animal World is a 1956 documentary film that was produced, written and directed by Irwin Allen.  The film includes live-action footage of animals throughout the world, along with a ten-minute stop motion animated sequence about dinosaurs. Ming Ming (1977 – 7 May 2011) was the world's oldest giant panda.  She died of kidney failure at age 34 at the Xiangjiang Wild Animal World in Guangdong Province.  Her name translates from Chinese as "bright". Be the Creature is a creation of the Kratt Brothers (Chris and Martin).  A wildlife series designed to immerse both the brothers and the viewers in the world of animals, Unlike other Kratt Brothers programs, "Kratts' Creatures" and "Zoboomafoo" and "Wild Kratts", "Be the Creature" is oriented towards a teen or adult audience.  The brothers place themselves in the thick of the animal world, sometimes in high-intensity or dangerous situations.  The series also features some graphic footage in an effort to portray life in the wild truthfully. "On Being the Right Size" is a 1926 essay by J. B. S. Haldane which discusses proportions in the animal world and the essential link between the size of an animal and these systems an animal has for life. Weird Nature is a 2002 British documentary television series produced by John Downer Productions for the BBC and Discovery Channel.  The series features strange behavior in nature—specifically, the animal world.  The series now airs on the Science Channel.  The series took three years to make and a new filming technique was used to show animal movements in 3D. Jablonka publishes about evolutionary themes, especially epigenetics.  Her emphasis on non-genetic forms of evolution has received interest from those attempting to expand the scope of evolutionist thinking into other spheres.  An example of her work in this area is the book "Animal Traditions" (2000), co-authored with Eytan Avital, in which they extend models of human cultural transmission to the non-human animal world, to show that cultural evolution has played an important role in the evolution of other animals.  Jablonka has been described as being in the vanguard of an ongoing revolution within evolutionary biology, and was a keynote speaker at the Artificial Life XI conference in 2008. Animal World (Spanish original title: "Mundo animal") is a collection of short stories written by Antonio di Benedetto, with hallucinatory animal transformations by the internationally acknowledged Argentine master.
Answer: documentary