How flocks of birds are able to fly close together without colliding - Discover Wildlife

Migratory Birds are Lighter Colored, New Study Shows

Safe Flight 100 Years Of Protecting Birds

GEESE CAN TEACH US ABOUT TEAMWORK: Take off of each and every geese was well captured. There were no midair collisions, no airlift fault, no air traffic control required. Animals that live

Flocking Together for Birds – Connecting People, Birds and Land for a Healthy World

Birds fly to a favourite side - Australian Geographic

Colorful ventral wings help birds avoid mid-flight collisions - Advanced Science News

First evidence of sleep in flight

The physics of flight : Revista Pesquisa Fapesp

Why don't birds collide when they are flying close together in tight flocks?

All That Breathes': Delhi's bird saviors become the subject of a hit documentary

These Masters of the Sky Can Fly for Hours (or Days) While Barely Flapping

Mass Bird Collisions: Why They Happen and How to Stop Them – Chirp Nature Center

Migratory Birds and Sleep: How They Manage Long Journeys

Could tiny satellites explore space by flying in flocks?

Celebrating Dark Skies During Spring Migration