1 Introduction and Overview, Patricia Parker.- Part I Colonization of Islands by Hosts and Parasites.- 2 Colonization of Galápagos birds - identifying the closest relative and estimating colonization, Eloisa H.R. Sari and Jennifer Bollmer.- 3 Colonization of Parasites and Vectors, Arnaud Bataille, Iris I. Levin and Eloisa H.R.

Sari.- Part II Island Syndromes.- 4 Genetic Diversity in Endemic Galapagos Birds: Patterns and Implications, Jennifer L. Bollmer and Benjamin D. Nims.- 5 From the vagile to the sedentary: disease implications and new host relationships on islands, David Duffy and F. Hernan Vargas.- Part III Host-Switching.

- 6 Host-Switching: How it starts, Maricruz Jaramillo and Jose Luis Rivera-Parra.- 7 New host-parasite relationships by host-switching, Diego Santiago Alarcon and Jane Merkel.- Part IV The Spread of Pathogens.- 8 Movement among Islands by Host, Vector, or Parasite, Iris I. Levin and Arnaud Bataille.- 9 Invasion of an avian nest parasite, Philornis downsi,to the Galapagos Islands: colonization history, adaptations to novel ecosystems, and conservation challenges, Birgit Fessl, George E. Heimpel, Charlotte E. Causton.

- Part V Challenges for Management.- 10 Domestic and Peridomestic Animals in Galapagos: Health Policies and Practices, Luis Padilla, Nicole Gottdenker, Sharon Deem, Marilyn Cruz.- 11 Filling the Gaps: Improving Sampling and Analysis of Disease Surveillance Data in Galápagos, Kathryn P. Huyvaert.- 12 Collaboration and Politics of Conservation, Patricia G. Parker, R. Eric Miller, Simon J. Goodman.