The Texas Parks and Wildlife Department in the USA reports that as of August 1, 2011, prolonged extreme heat and drought conditions in the north of the state has caused the death of many fish in lakes due to depleted oxygen levels, with those in smaller lakes and ponds being the most likely to perish.
http://www.sott.net/articles/show/232825-US-Higher-Water-Temperatures-Killing-Texas-Fishhttp://dfw.cbslocal.com/2011/08/01/higher-water-temperatures-killing-north-texas-fish/ Lê Văn Chìa, a 64-year-old resident of Trà Ôn District in Âu Lạc (Vietnam) continues his efforts as of July 2011 to protect a flock of herons from hunting in his longan fruit orchard, with their population having grown to more than 100 since they began seeking sanctuary in 2009.
http://www.monre.gov.vn/v35/default.aspx?tabid=675&CateID=58&ID=105198&Code=81AK105198http://english.vietnamnet.vn/en/environment/11144/flock-of-hundreds-of-herons-living-peacefully-in-longan-orchard.html