The area of the nucleus isthmo-opticus in the American kestrel (Falco sparverius) and the red-tailed hawk (Buteo jamaicensis).
D000818:Animals; D001717:Birds / Q000033:anatomy & histology*; D002452:Cell Count; D010856:Columbidae / Q000033:anatomy & histology; D009476:Neurons, Efferent / Q000166:cytology; D012160:Retina / Q000294:innervation; D013477:Superior Colliculi / Q000166:cytology*