Seagull Skytrails: Using Post-Processing to Reveal the Flight Paths of Birds

Videographer Paul Parker created the experimental video above, titled “Seagull Skytrails,” which reveals the flight path of birds with clever post-processing.

Parker first captured an hour of footage through his window and combined the different birds found in the video into a single 2.5-minute clip. He then used the echo effect in After Effects to show each bird numerous times along its flight path, revealing the helix patterns and curves that emerge.

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Here’s a similar experiment Parker did in 2014 with an hour of birds cloned and condensed into one minute:

(via Colossal)

Image credits: Video and still frames by Paul Parker