Why don't birds collide when they are flying close together in tight flocks?
The simple answer to this deceptively complex question is that birds in a flock pay close attention to the birds around them—particularly their closest neig
Why do city pigeons gather on rooftops and then fly in a group in a circle, and land on the same roof? - Quora
Bird vision - Wikipedia
When birds fly together in large groups, how do they all know which direction to turn in unison? - Quora
FAQs & Common Problems
These Masters of the Sky Can Fly for Hours (or Days) While Barely Flapping
EarthSky (@earthskyscience), Twitter
Birds: Why do flocks of pigeons fly in circles for several minutes at a time? - Quora
Why do flocks of birds swoop and swirl together in the sky? A biologist explains the science of murmurations
How do flocking birds move in unison?
Science & Conservation - FAQs & Common Problems
When a flock of birds lands in a tree, and all of them start
Footage shows mid-air collision between flocks of birds
Porque las ves no chocan cuando vuelan? es una pregunta intrigante cuando vemos parvadas de miles de aves volando al unísono. la respuesta es tan simple: porque ponen atención!!! Chequen este artículo
Why do bird flocks suddenly change their flight path all at once? - Quora
The Flyway Code: How birds avoid crashing into each other in mid-air, The Independent
