Lab Members
Current and Alumni
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/David.jpg)
The Spadefoot Squad!
Graduate Students
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Emily.jpg)
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Andrew.jpg)
Andrew Isdaner
B.S. University of Chicago
Alumni
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/PatPhoto.jpg)
Pat Kelly
“Sexual selection and phenotypic plasticity”
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Nick.jpg)
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Chris.jpg)
Chris Akcali
Ph.D. 2019
“Evolution of precise versus imprecise mimicry”
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/IMG_6659.jpg)
Sofia de la Serna Buzon
Ph.D. 2019 (co-advised with Dr. Dr. Karin Pfennig)
“Carry over effects of resource polymorphism”
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/PaulDurst.jpg)
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/shapeimage_8.png)
Lisa Bono
Ph.D. 2015 (co-advised with Dr. Christina Burch)
“Competition and the evolution of novel resource use in viruses”
ASSISTANT PROFESSOR AT TEXAS TECH U.
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Bradley-Allf.jpg)
Bradley Allf
Undergraduate Honors Thesis 2015
“Evolution of the rattlesnake rattle”
graduate student at NC State Univ
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Georgia.jpg)
Georgia Titcombe
Undergraduate Honors Thesis 2014
“Flicker-fusion as a defensive strategy in snakes”
Ph.D. student at UC-Santa Barbara
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/shapeimage_6-1.png)
David Kikuchi
Ph.D. 2013
“Mechanisms of adaptation in coral snake mimicry”
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/robinson.jpg)
Prof. Beren Robinson
Sabbatical Visitor 2012-2013
“Evolution of morph-specific genes in spadefoot toad tadpoles”
professor at U. of Guelph
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Jeff-Paull.jpg)
Jeff Paull
M.S. 2012
“Competition as a cost of resource specialization”
Aquatic Scientist at the Texas Commission on Environmental Quality
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/shapeimage_5.png)
Aaron Leichty
M.S. 2011
“Evolution of morph-specific genes in spadefoot toad tadpoles”
formerly a Ph.D. student at U. of Pennsylvania
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Cris.jpg)
Cris Ledon-Rettig
Ph.D. 2010
“Phenotypic plasticity’s role in the origins and diversification of feeding strategies in spadefoot toad larvae”
ASSISTANT PROFESSOR AT INDIANA U.
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Ryan-Martin-768x576.jpg)
Ryan Martin
Ph.D. 2010
“Evolution of resource polymorphism”
ASSOCIATE PROFESSOR AT CASE WESTERN U.
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/AmberRice.jpg)
Amber Rice
Ph.D. 2008
“Population genetic and phylogenetic studies of character displacement in spadefoot toads”
ASSOCIATE professor at Lehigh University
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/mattwithfish.jpg)
Matt McGee
Undergraduate Honors Thesis 2004-2007
formerly a PhD student at UC Davis
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/shapeimage_4.png)
George Harper
Ph.D. 2006
“Evolution of a snake mimicry complex”
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/allison_welch.jpg)
Allison Welch
Postdoc 2000-2004
associate professor at the College of Charleston
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/pic3.jpg)
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/wharcombe.jpg)
William Harcombe
Undergraduate Honors Thesis 1998-2001
ASSOCIATE PROFESSOR AT U. OF MINNESOTA
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/Mike.jpg)
Mike Loeb
Ph.D. 2001
“Evolution of egg dumping in an insect”
Currently a science writer
![](https://www.davidpfenniglab.com/wp-content/uploads/2019/09/p_eric1.jpg)
M.S. 1997
“Proximate causes of cannibalistic polyphenism in larval tiger salamanders”
ASSOCIATE PROFESSOR AT U. OF CENTRAL FLORIDA