Golden-winged and blue-winged warblers

Golden-winged and blue-winged warblers

Golden-winged and blue-winged warblers

A team of researchers has identified a gene associated with migration in golden-winged and blue-winged warblers using whole genome sequencing and migration tracking technology. The team compared genetic differences among birds that winter in Central America and those that winter in South America. 

IMAGE: Sean Graesser