2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010
January Glass lantern slide of Chichén Itzá archaeological site
February Pemberton painting of Cucurbita pepo L. (Pumpkin)
March Living jewelry - tenebrionid beetle
April Freshwater mussel
May Insulated moccasins
June Merycoidodon skull and endocast
July Western rattlesnake (Crotalus viridis)
August Great Basin bristlecone pine (Pinus longaeva) - Holotype specimen
September Feather-winged beetle (Acrotrichis sp.)
October Dog-hair sashes
November Fern (black spleenwort) (Asplenium adiantum-nigrum)
December Passenger pigeon (Ectopistes migratorius)
