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

Budgies reveal the rule that means birds never collide in flight

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

The physics of flight : Revista Pesquisa Fapesp

The strange reason migrating birds are flocking to cities

Birds fly to a favourite side - Australian Geographic

Celebrating Dark Skies During Spring Migration

Starling Murmurations. Reflecting on the deeper meaning of…, by Leslie Grounds

Birds Tumbling From the Sky; Fish Floating Dead in the Water: How Unusual Are These Animal Die-Offs?

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

The Flyway Code: How birds avoid crashing into each other in mid-air, The Independent

The cost of flight in flocks