Songbirds: How do they know when tornadoes are coming?

You might want to be careful about who you call “bird-brained”. Some of our feathered friends exhibit powers of perception that make humans appear helpless.

New research shows that little songbirds known as golden-winged warblers (Vermivora chrysoptera) flee their nesting grounds in Tennessee up to two days before the arrival of a fierce storm system that unleashed 84 tornadoes in southern US states in April.