18th century illustration of a male yellow-crowned gonolek (Laniarius barbarus), also known as the common gonolek, a medium-sized passerine bird in the bushshrike family. It is a common resident breeding bird in equatorial Africa from Senegal and Democratic Republic of Congo east to Ethiopia. It is a skulking bird and frequents dense undergrowth in forests and other wooded habitats. The nest is a cup structure in a bush or tree in which two eggs are laid. From Histoire Naturelle des Oiseaux d'Afrique (Natural History of Birds of Africa), Volume 2, by Franeois Le Vaillant (1753-1824), published in Paris, France in 1799.