Candling a red-winged blackbird egg to determine incubation stage

Candling a red-winged blackbird egg to determine incubation stage

Detailed Description

Candling a red-winged blackbird egg to determine incubation stage (Inset:  Parasitized red-winged blackbird nest)

Details

Image Dimensions: 795 x 597

Location Taken: US

Credits

Lawrence D. Igl