Results from experimental parasitism of ashy-throated parrotbill clutches.

Contrast = contrast between host and parasite eggs on a scale from 1 (low) to 5 (high). White = white egg, white-pale = egg with intermediate colour between white and pale blue, pale = pale blue egg, pale-blue = egg with intermediate colour between pale blue and blue, blue = blue egg. Three types of eggs were used; natural conspecific eggs, model cuckoo-sized eggs (cuckoo) and model parrotbill-sized eggs (conspecific). Numbers in brackets are % acceptance within each combination.