Saturdays in Spring March 26, 2016 Another chance to sneak over to Young's Dairy and Glen Helen Nature Reserve in Yellow Springs, Ohio. Emma Nikon D750 ISO 250 98mm f/6.3 1/400 sec. Madeline ISO 100 86mm f/5.6 1/250 sec. Young's Dairy ISO 250 24mm f/10 1/1000 sec. Captive Cooper's Hawk ISO 250 500mm f/11 1/320 sec.