The film explains the principles and mechanics of bird flight.
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Reach thousands of daily viewers · size 1200 x 200
Reach thousands of daily viewers · size 970 x 90
2016 · ★ 8.1
2018 · ★ 6.2
2021 · ★ 7.1
2021 · ★ 8.1
2007 · ★ 7.9
2017 · ★ 6.5
2000 · ★ 6.4
2022 · ★ 7.0
2019 · ★ 6.0
2008 · ★ 6.8
2015 · ★ 7.6
2021 · ★ 7.0
2020 · ★ 7.1
2011 · ★ 6.5
2022 · ★ 7.2
2013 · ★ 6.9
2003 · ★ 6.6
2018 · ★ 7.2
2021 · ★ 6.1
2021 · ★ 6.9
