Social spiders can build nests more than 20 feet across. Please LIKE and SUBSCRIBE if you enjoyed! http://bit.ly/1Adl6ht *More info & videos below* A spider found in parts of the Caribbean and South America forms colonies that comprise thousands of individuals. Working together these colonies can build nests more than 20 feet across. "Animal Homes: Cities" premieres April 22, 2015 at 8/7c on PBS. Check your local listings. http://www.pbs.org/wnet/nature/animal-homes/11674/ --- For full NATURE episodes, check out http://www.pbs.org/wnet/nature/ Facebook: http://www.facebook.com/pbsnature/ Twitter: http://twitter.com/pbsnature/ Tumblr: http://pbsnature.tumblr.com/ Instagram: http://instagram.com/pbs_nature/ ----------------- Nature is a production of THIRTEEN for PBS. Throughout its history, Nature has brought the natural world to millions of viewers. The PBS series has been consistently among the most-watched primetime series on public television. ----------------- More videos: Sea otter orphan gets adopted: https://www.youtube.com/watch?v=qdy7DEhvsVU Owl silent flight: https://www.youtube.com/watch?v=6pWub12DUoU Bullfrog dad protects tadpoles: https://www.youtube.com/watch?v=l3uO2lO9JDk Gorilla mating games: https://www.youtube.com/watch?v=3431b8twU-U Snow Monkeys behind the scenes: https://www.youtube.com/watch?v=dDusYMTcyg4