You can find information about different peacock species that you might see during the party from the following sources:

1. Books - Check out books on birds or specifically on peacock species, such as "Peacocks: Majestic Birds of the World" by Christine Webster, or "Peafowl: An Observer's Guide" by Wayne Lynch.

2. Websites - Visit reputable wildlife websites like National Geographic, Audubon, or the Cornell Lab of Ornithology, where you can find detailed information about various peacock species.

3. Zoos and Aviaries - Visit your local zoo or aviary that houses peacocks, as they often provide educational materials about different species. You can also ask the staff for information during your visit.

4. Online Birding Communities - Join online birding communities or forums, such as BirdForum or Whatbird, where experienced birdwatchers and enthusiasts can provide information about different peacock species.

5. Field Guides - Look for field guides focusing on birds in your region. These guides typically include information about local peacock species. Examples include "Birds of North America" by Chandler S. Robbins and "Birds of India" by Richard Grimmett and Carol Inskipp.

Remember to cross-reference information from multiple sources to ensure accuracy.