A medium-sized bittern most commonly found in North America, scientific name Botaurus lentiginosus, known for its resounding calls.Harris, M. 1999. "Botaurus lentiginosus" (On-line), Animal Diversity Web. Accessed September 27, 2008 at http: //animaldiversity.ummz.umich.edu/site/accounts/information/Botaurus_lentiginosus.html