This is a page or antique plate taken from an unknown book.
It is plate number 89 and it features a color image of the Cuckoo. They are both male and it has them numbered 1 for the Yellow-billed Cuckoo & 2 for the Black-billed Cuckoo.
It measures 9 1/4" by 6" and it does show yellowing from age.
It is in good pre-owned condition and will make a great addition to any collection.