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In pelicans flying in a V-formation, a heart rate 11% lower was observed compare...

Dawid Myśliwiec: "In pelicans flying in a V-formation, a heart rate 11% lower was observed compared to a solitary flying pelican." — True

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📅 29.04.2026 · Dlaczego ptaki TO robią? · 👁️ 12

True. The claim is true. Studies from 2001, which monitored the heart rate of Great White Pelicans (Pelecanus onocrotalus) flying in V-formation, showed that their heart rate was 11.4% to 14.5% lower compared to solitary fligh...

"In pelicans flying in a V-formation, a heart rate 11% lower was observed compared to a solitary flying pelican." "U pelikanów lecących w formacji klucza zaobserwowano tętno niższe o 11% w porównaniu do lotu samotnego pelikana."
🌐 (Machine-translated — original in Polish) · Original in Polishuage
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Transcript excerpt

Oryginał w języku Polskim Open on YouTube

może w ciągu jednego etapu migracji rosnąć nawet o 70% w porównaniu do ptaka podróżującego solo. Nie zdziwi was też zapewne, że nie ma tu zbyt wielu rzeczywistych pomiarów. Trudno byłoby wsadzić taki klucz żurawi po prostu do tunelu aerodynamicznego jeszcze kazać im lecieć. Można jednak szacować wysiłek na podstawie na przykład pulsu tętna. I tak u pelikanów lecących w formacji klucza zaobserwowano tętno niższe o 11% w porównaniu do lotu samotnego pelikana. Tak więc formacja klucza, układ przypominający literę V wynika z tego, że ptaki starają się skorzystać z upłosu generowanego przez osobniki lecące z przodu, unikając jednocześnie downwashu. Dlatego ustawiają się delikatnie za krawędzią skrzydła ptaka, który je poprzedza i unikają latania za innymi ptakami. Tam prądy wirowe spychałyby je w dół. Tut

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