Record Details Of Your Breeding Birds. Bird Bands Log Book includes two sections. Breeding Records: The bird breeding records are where you record details of pairs, eggs laid, eggs hatched and leg bands. Record up to 70 pairs of breeding birds. Bird Summary: The bird summary makes it easier to identify related birds by giving each bird it's own ID number. Identify up to 650 birds. Bird Bands Log Book can be used for many years of breeding results in this bird breeders journal, notebook diary. Suitable for all types of birds. If you have different species of birds you can divide the pages into separate species groups to keep all your records in the one book. Identify your best birds for breeding and keep a register of your bird bands.