Example of a stomach card on for Boat-tailed Grackle . Nest Record Card Schemes Nest Record Cards are used to enter data on the successes and failures of individual bird nests. Much of these data are collected by volunteers and submitted to a central coordinating body. In addition to the central repositories many individual researchers have large collections of nest records. No one scheme exists for all of North America.
Most Canadian provinces collect and maintain their own data.
In the U.S. the Cornell Laboratory of Ornithology has been collecting cards since 1965. The Lab of Ornithology has collected over 300,000 records for the U.S. and Canada and continues to accept new cards and fill data requests. However, the project if not funded and is currently maintained only in the spare time of Labratory ornithologists. The plan is to at some point seek funding for revising and computerizing scheme.