(Top row L-R): A male Spearpoint leaf-tailed gecko (Uroplatus ebenaui), female Mossy leaf-tailed gecko (Uroplatus sikorae), male Henkel's leaf-tailed gecko (Uroplatus henkeli). (Middle row L-R): A male and female Satanic leaf-tailed gecko (uroplatus phantasticus) (male has notched tail), female Mossy leaf-tailed gecko (Uroplatus sikorae), male Henkel's leaf-tailed gecko (Uroplatus henkeli). (Bottom row L-R): Cork-bark leaf-tailed gecko (Uroplatus pietschmanni), female Satanic leaf-tailed gecko (uroplatus phantasticus), male Henkel's leaf-tailed gecko (Uroplatus henkeli). The lizards -- part of the private collection of Irondequoit, NY resident and Reef Shoppe owner Thomas Wood -- are pictured in this combination photograph at the University of Rochester, in Rochester, NY August 1, 2013. The geckos are among some of the species studied by Daniel Scantlebury, a Ph.D. student in biology at University of Rochester, for a recent paper describing slowdown in the rate at which species form on Madagascar. REUTERS/J. Adam Fenster/University of Rochester (UNITED STATES)