5Pierre Deviehe, Ellis C. Greiner, Xavier Manteea. lnterspeeifie variability of prevalence in blood parasites of adult passerine birds during the breeding season in Alaska [J]. J Wildlife Dis, 2001, 37(1): 28-35.
6Nordling DM, Zohari ES, Gustafsson L. Reproductive effort reduces specific immune response and parasite resistance[J]. Proceedings of the Royal Society of London B: Biological Sciences. 1998, 265: 1291-1298.
7Raidal SR, Jaenscn SM. Central nervous disease and blindness in Nankeen kestrels (Falco cenchroides) due to a novel Leueo-cyto- zoon-like infection[J]. Avian Pathol. 2000, 29:51-56.
8Denise DM Iw, al, O'Dwyer LH, Ribeiro VC, et al. Hemoparasites of the genus Trypanosema (Kinetoplastida: Trypanosomatidae) and hemogregarines in Anurans of the Sao Paulo and Mato Grosso do Sul States - Brazil[J]. An Acad Bras Cienc, 2009, 81 (2): 199-206.
9IUCN, CONSERVATION INTERNATIONAL, and NATURE- SERVE. An Analysis of Amphibians on the 2008 IUCN Red List. Available at: www.iucnredlist.org/amphibians. Accessed 27 Novem- ber 2009.
10Sheldon B. Host parasite evolution general principles and avian modes[J]. Parasitol Today, 1998, 14(2):84.
