Bats Section-
"Echolocation." - Bat Conservation Trust. N.p., n.d. Web. 23 Apr. 2014.
Van Ryckegham, Alain. "How Do Bats Echolocate and How Are They Adapted to This Activity?" Scientific American Global RSS. N.p., 21 Dec. 1998. Web. 23 Apr. 2014.
Birds Section-"Echolocation in birds: oilbirds and swiftlets." Map of Life. 20 May 2009. 23 Apr. 2014.
J. Jordan Price, Kevin P. Johnson and Dale H. Clayton. "The evolution of echolocation in swiftlets." Journal of Avian Biology. 35: 135/143., 2004. Web. 23 Apr. 2014.
Signe Brinkløv, M. Brock Fenton, and John M. Ratcliffe. "Echolocation in Oilbirds and swiftlets." Frontiers in Physiology. 4: 123., 2013. 23 Apr. 2014.
Dolphins and Whales Section-
"National Marine Mammal Laboratory." National Marine Mammal Laboratory. Unites States of America Department of Commerce, 2009. Web. 18 March. 2014.
"Whales, Dolphins and Sound." Department of the Environment. Commonwealth of Australia, 2010. Web. 20 March. 2014.
Shrew Section-
"North American Mammals: Sorexvagrans." North American Mammals: Sorexvagrans. Smithsonian, n.d. Web. 12 Apr. 2014.
Amsel, Sheri. “Adaptations.” Adaptations of the Short-tailed Shrew. Exploring Nature Educational Resource. 2005 - 2014. April 12, 2014.
Saunders, D.A. "Short-tailed Shrew (Blarina Brevicauda Say)." Short-tailed Shrew. ESF, 2014. Web. 12 Apr. 2014.
Vagrant Shrew — Sorex vagrans. Montana Field Guide. Montana Natural Heritage Program and Montana Fish, Wildlife and Parks.
Moths Section-
"Cycnia Tenera." Wikipedia. Wikimedia Foundation, 21 Apr. 2014. Web. 21 Apr. 2014.
"Delicate Cycnia or Dogbane Tiger-moth." Delicate Cycnia or Dogbane Tiger-moth. Prince William Conservation Alliance, n.d. Web. 16 Apr. 2014.
"Jamming Bat Echolocation: The Dogbane Tiger Moth Cycnia Tenera Times Its Clicks To The Terminal Attack Calls Of The Big Brown Bat Eptesicus Fuscus." Journal of Experimental Biology 194 (1994): 285-98. Web. 16 Apr. 2014.
"Echolocation." - Bat Conservation Trust. N.p., n.d. Web. 23 Apr. 2014.
Van Ryckegham, Alain. "How Do Bats Echolocate and How Are They Adapted to This Activity?" Scientific American Global RSS. N.p., 21 Dec. 1998. Web. 23 Apr. 2014.
Birds Section-"Echolocation in birds: oilbirds and swiftlets." Map of Life. 20 May 2009. 23 Apr. 2014.
J. Jordan Price, Kevin P. Johnson and Dale H. Clayton. "The evolution of echolocation in swiftlets." Journal of Avian Biology. 35: 135/143., 2004. Web. 23 Apr. 2014.
Signe Brinkløv, M. Brock Fenton, and John M. Ratcliffe. "Echolocation in Oilbirds and swiftlets." Frontiers in Physiology. 4: 123., 2013. 23 Apr. 2014.
Dolphins and Whales Section-
"National Marine Mammal Laboratory." National Marine Mammal Laboratory. Unites States of America Department of Commerce, 2009. Web. 18 March. 2014.
"Whales, Dolphins and Sound." Department of the Environment. Commonwealth of Australia, 2010. Web. 20 March. 2014.
Shrew Section-
"North American Mammals: Sorexvagrans." North American Mammals: Sorexvagrans. Smithsonian, n.d. Web. 12 Apr. 2014.
Amsel, Sheri. “Adaptations.” Adaptations of the Short-tailed Shrew. Exploring Nature Educational Resource. 2005 - 2014. April 12, 2014.
Saunders, D.A. "Short-tailed Shrew (Blarina Brevicauda Say)." Short-tailed Shrew. ESF, 2014. Web. 12 Apr. 2014.
Vagrant Shrew — Sorex vagrans. Montana Field Guide. Montana Natural Heritage Program and Montana Fish, Wildlife and Parks.
Moths Section-
"Cycnia Tenera." Wikipedia. Wikimedia Foundation, 21 Apr. 2014. Web. 21 Apr. 2014.
"Delicate Cycnia or Dogbane Tiger-moth." Delicate Cycnia or Dogbane Tiger-moth. Prince William Conservation Alliance, n.d. Web. 16 Apr. 2014.
"Jamming Bat Echolocation: The Dogbane Tiger Moth Cycnia Tenera Times Its Clicks To The Terminal Attack Calls Of The Big Brown Bat Eptesicus Fuscus." Journal of Experimental Biology 194 (1994): 285-98. Web. 16 Apr. 2014.