Registration Policies

  • Early Bird registration at $85/person was offered until June 30
  • From July 1 to September 8, full registration was $100/person.  [See also Meals and Lodging.]
  • Conference registration was required to attend workshops and field trips and to choose meal options, including any attendance at Saturday night’s dinner with David Sibley. 
  • However, a  Meals Only registration was available on the registration form AT NO COST for those NOT attending field trips or workshops AND who are registering at the same time with a participant who does purchase a Full registration. 
  • Meals Only registration at NO COST was also available for those who are a vendor or presenter and who will not be attending field trips or workshops.
  • Successful registrations received an email confirmation within a few minutes after registering online. This was sent to the email address you entered for your billing contact. Please contact if you do not receive this email confirmation. (As usual, also be sure to check your Spam email folder first.)
  • PLEASE NOTE: Online registration will not be publicly available after September 8. 
    • To check if any workshop or field trip space is available after September 8, email us at
    • We cannot accommodate any meal reservations after September 8.
    • It is very uncertain whether we will be able to accommodate walk-in registrations for workshops and field trips during the event weekend. 
    •  Full registration of $100/person is required to attend workshops and field trips.
    • Please email us in advance and don’t just show up at the conference, please.

Refund Timeline

  • We will offer a full refund of any registration and meals charges until June 30.
  • From July 1 to August 31, we will offer a 50% refund of any registration and meal charges.
  • After August 31, we cannot offer any refunds.

Registration Changes or Additions

  • You can make changes to your registration package — meals, field trips and workshops — until August 31, 2023.
  • To change your registration package, send an email with all details to and we will advise on payment options for any additional charges.  (Note above refund terms.)