We thank N. Howell and B.A. Sorrie for permission to use their photos.
The thumbnail viewer was developed by Highslide Software (Torstein Hønsi, proprietor). Code for expanding/collapsing content was modified from the public domain code developed by Leo Charre and Jesse Fergusson (internetconnection.net).
This work was supported in part by NC Extension, the North Carolina Agricultural Research Service, the National Institute of Food and Agriculture, U.S. Department of Agriculture (acc. nos. 62303 and 1002682), and the US Fish & Wildlife Service.