Unmounted lantern slide of two birds on a branch.

Hand-colored, unmounted lantern slide of a barn swallow in its nest. Original negative: OrgLot369_FinleyA2360.

Hand-colored, unmounted lantern slide of two young red-tailed hawks on nest. Original negative: OrgLot369_FinleyA2673.

Unmounted lantern slide of two golden eagle mottled young in nest. “Down and Feathers” Copyright 1905. Original negative: OrgLot369_FinleyA0472.

Unmounted lantern slide of a black-capped chickadee perched at its nest entrance on a stump. Original negative: OrgLot369_FinleyA2580.

Unmounted lantern slide of a rufous hummingbird in its nest in Virginia creeper. Original negative: OrgLot369_FinleyA2699.

An unidentified bird nest with four eggs.

Unmounted lantern slide of downy young bird chicks.

Unmounted lantern slide of a barn in which barn owls are nesting. Barn owls not visible in the image. Original negative: OrgLot369_FinleyA0560.

An unidentified bird feeding its young on a branch.