Why Do Birds Flock Together?

Emergent synchrony is a universal feature of behavior.

Bird flight - Wikipedia

Pigeons flock together in presence of predators, study shows

Why do birds travel in groups? - Quora

Why Do Birds Sit On Power Lines? (Everything Explained)

Why Do Birds Flock Together?

Is it true that birds of a feather flock together? - Quora

Birds of a Black Feather Flock Together! - The Local Reporter

Why Do Birds Flock Together?

Birds That Flock Together in the Fall: A Bird's Perspective

Why Birds Flock Together - Bay Nature