Flamingos gather across Lake Bogoria in the Kenyan Rift Valley.
Jose Fragozo
A snow goose gaggle may contain thousands.
Courtesy
Walter Siegmund Wikipedia

web-animals-016-wiki.jpg

Auklet flock, Shumagins 1986
Wiki Commons Public Domain
It wasn’t just a forest, It was home!_
Courtesy Kapgan Dinç

https://youtu.be/LnCyKwWlQmM?t=4

Penguin Highway

https://youtu.be/V4f_1_r80RY?t=7

Starlings – One of Many Videos Showing this group Phenomenon

Courtesy Daniel Biber Starling Murmurations