A rare sight, the endangered Schaus is only found in the Florida Keys and a handful of islands in Biscayne National Park. Male butterflies are highly territorial and will defend their space by diving at rivals and harassing even other butterfly species until they fly away.
“Endangered Schaus' Swallowtail Butterfly Release in Biscayne National Park.” National Parks Service, U.S. Department of the Interior, www.nps.gov/bisc/learn/news/endangered-schaus-swallowtail-butterfly-release-in-biscayne-national-park.htm. “Schaus' Swallowtail Butterfly.” Florida Fish And Wildlife Conservation Commission, Florida Fish And Wildlife Conservation Commission, myfwc.com/wildlifehabitats/profiles/invertebrates/schaus-swallowtail-butterfly/.