A 4-foot long Chinese giant salamander named Professor Wu arrived at London Zoo to serve as an ambassador for his species. The 19-year-old amphibian is named after one of the conservation project's partners in China.Read more about this critically endangered species and efforts to save Professor Wu's wild relatives in my latest Nat Geo Weird & Wild post: 4-Foot Salamander Arrives in London as Face of New Conservatin Effort.