Calvert, William H., Lee E. Hedrick and Lincoln Pierson Brower
1979. Mortality of the monarch butterfly (Danaus plexippus L.): Avian predation at five overwintering sites in Mexico. Science 204(4395): 847 851, 16 figs., 3 tabs. (25 May)
Calvert, William H., Martin B. Hyatt and Norma P. Mendoza
1986. The effects of understory vegetation on the survival of overwintering monarch butterflies (Danaus plexippus L.) in Mexico. Acta zoológica mexicana (N.S.) 18: 1-17, 3 figs., 2 tabs. (December)
Calvert, William H., and Robert O. Lawton
1993. Comparative phenology of variation in size, weight, and water content of eastern North American Monarch butterflies at five overwintering sites in Mexico. Science Series. Natural History Museum of Los Angeles County 38: 299-307, 6 figs., 4 tabs. (18 February) [Danaus plexippus (Linnaeus)]
Calvert, William H., Stephen Baillie Malcolm, John I. Glen-dinning, Lincoln Pierson Brower, Myron Phillip Zalucki, Tonya Van Hook, James B. Anderson and Laura C. Snook
1989. Conservation biology of Monarch butterfly overwintering sites in Mexico. Vida silvestre neotropical 2(1): 38-48, 4 figs., 2 tabs. (June) [Danaus plexippus (Linnaeus)]
Dostları ilə paylaş: |