Academy of Natural Sciences of PhiladelphaAcademy of Natural Sciences of Philadelphia education tableAcademy of Natural Sciences of Philadelphia plaqueAlfred Russel Wallace butterfliesAlfred Russel Wallace exhibitAlfred Russel Wallace exhibit signageAmerican bison dioramaAtlas mothBanded longwingBear dioramaBeaver dioramaBighorn sheep dioramaBlack and yellow butterflyBlack bear dioramaButterflies drinking fruit juicesButterflies on spongeButterfly appetizer trayButterfly exhibit at the Academy of Natural Sciences of PhiladelphiaButterfly incubatorButterfly model