How to use Cornell Lab promo codes

1. Go to birds.cornell.edu then select the items you wish to purchase and add them to your shopping cart.
2. Find a promo code on this page. Click to open the code, then click "copy" to copy the coupon code to your clipboard.
3. Go back to birds.cornell.edu and proceed to checkout. Look for the box labeled "Enter promo code" and paste your promo code in that box.
4. Once you apply the promo code, your savings should be applied, and you can complete checkout.

Promo code didn't work? Read these expert tips.

• Cornell Lab rarely offers promo codes. On average, Cornell Lab offers 0 codes or coupons per month. Check this page often, or follow Cornell Lab (hit the follow button up top) to keep updated on their latest discount codes.
• Check for Cornell Lab's promo code exclusions. Cornell Lab promo codes sometimes have exceptions on certain categories or brands.
• Look for the blue "site-wide" label for site-wide Cornell Lab promo codes. Site-wide codes can be applied to any item on Cornell Lab's website, and therefore are the most useful codes.
• Read our expert guide to finding promo codes for stores that rarely offer them.