Illustration of male and female black-throated blue warblers (Setophaga caerulescens, here as Sylvia caerulescens), a small passerine bird of the New World warbler family. Its breeding ranges are located in the interior of deciduous and mixed coniferous forests in eastern North America. Over the cooler months, it migrates to islands in the Caribbean and Central America. From the book Histoire physique, politique et naturelle de l'ile de Cuba (Physical, political and natural history of the island of Cuba) by Ramon de la Sagra (1798-1871). Publication date: 1838.