2021 Chapter Big Day Competition

Register Here ↓

Who will see the most species in a 16-hour period on May 1? Join a chapter team and help them win the title.

Members and non-members welcome to participate. Register below and choose your team.


The Chapter Big Day is a competition between participating chapters of the Illinois Audubon Society for the most species observed in a 16-hour period (12:00 am to 4:00 pm).

Registration is open to members and non-members. Chapter and Individual Big Day Champions will be awarded. Competitors may bird alone or with others anywhere within the boundaries of the State of Illinois. Ready, Set, Bird !

Counts must be turned in my May 4 to the designated coordinator for each Chapter team. Coordinator contact information will be provided to registered participants.

Questions? Contact us here.

2021 Chapter Big Day Rules

When:

Date: May 1, 2021

Tickets

The numbers below include tickets for this event already in your cart. Clicking "Get Tickets" will allow you to edit any existing attendee information as well as change ticket quantities.
Team Birdsong/Starved Rock Chapter
$ 10.00
Unlimited
Team Emiquon Audubon
$ 10.00
Unlimited
Team Fort Dearborn
$ 10.00
Unlimited
Team Hickory Hills
$ 10.00
Unlimited
Team Kane County Audubon
$ 10.00
Unlimited
Team Lake-Cook Chapter
$ 10.00
Unlimited
Team McHenry County Audubon
$ 10.00
Unlimited
Team Middlefork Audubon
$ 10.00
Unlimited
Team Morgan County
$ 10.00
Unlimited
Team Shawnee Chapter
$ 10.00
Unlimited
Team Springfield Audubon
$ 10.00
Unlimited
Team Will County Audubon
$ 10.00
Unlimited