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The rosy-patched bushshrike (Rhodophoneus cruentus) is a species of bird in the family Malaconotidae. It is monotypic within the genus Rhodophoneus. It is found in Djibouti, Egypt, Eritrea, Ethiopia, Kenya, Somalia, Sudan, and Tanzania. Its natural habitat is subtropical or tropical dry shrubland.

Rhodophoneus cruentus is an insectivorous songbird of east Africa's desert lowlands. These birds use duet singing to form and maintain their pair bond. When two males vie for the attentions of one female, they will sing as a trio, the female (presumably) choosing her mate based on the one whose song best matches her own. Males and females of the species can be distinguished by the presence of either a black (female) or rosy (male) patch on their throat, atop a rosy patch on their chest and belly.

Source : https://www.theguardian.com/science/punctuated-equilibrium/2011/apr/18/5