William Finley Jr. pointing to a bluebird perched on Phoebe Katherine Finley’s finger. Image note: used as an illustration in the 1915 book, Little Bird Blue.

William Finley Jr. pointing to a bluebird perched on Phoebe Katherine Finley’s finger. Image note: used as an illustration in the 1915 book, Little Bird Blue.

Phoebe Katherine Finley pointing at a bluebird perched on the shoulder of William Finley Jr. Image note: used as an illustration in the 1915 book, Little Bird Blue.

Phoebe Katherine Finley pointing at a bluebird perched on the shoulder of William Finley Jr. Image note: used as an illustration in the 1915 book, Little Bird Blue.

Phoebe Katherine Finley pointing at a bluebird perched on the shoulder of William Finley Jr. Image note: used as an illustration in the 1915 book, Little Bird Blue.

Herman T. Bohlman climbing to a red-tailed hawk's nest. William L. Finley at the base of the tree. Image note: plate turning yellow.