Herman T. Bohlman climbing to a hawk's nest. Eggs just pipped, probably hatched the next day. First visit.

Herman Bohlman climbing a eucalyptus tree to photograph a red-tailed hawk nest.

Herman Bohlman climbing a eucalyptus tree to photograph a red-tailed hawk nest.

Herman Bohlman climbing a eucalyptus tree to photograph a red-tailed hawk nest.

Herman T. Bohlman in a tree photographing a red-tailed hawk's nest. Image note: negative cracked and repaired.

Herman T. Bohlman climbing to a red-tailed hawk's nest in winter.

Herman T. Bohlman climbing to a red-tailed hawk's nest in winter.

View of a tree showing a red-tailed hawk's nest and Herman T. Bohlman at nest.

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.