Why Do Giraffes Have Long Necks? What Scientists Think Now
Earth Unveiled
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Why Do Giraffes Have Long Necks? What Scientists Think Now
41 просмотр · 5 дн. назад
Earth Unveiled
61 подписчик
41 просмотр · 5 дн. назад
A giraffe's neck can be two and a half meters long, yet it has only seven neck bones. We go through Darwin's feeding idea, the necking fight hypothesis, a surprising 2024 study, a 17-million-year-old headbutting fossil, the giraffe's heart, and how many species there really are.
Footage: Pixabay; Wikimedia Commons: Lennart Hessel (CC BY 3.0); Nesnad (CC BY-SA 4.0). Photos (Wikimedia Commons): Charles Miller, Derek Keats from Johannesburg, South Africa, Gregory Moine, Martin Pettitt from Bury St Edmunds, UK (CC BY 2.0); Adam Jenkins, Hiuppo (CC BY 3.0); Basu et al (CC BY 4.0); Charu Juneja, derekkeats (CC BY-SA 2.0); Luca Galuzzi (Lucag) (CC BY-SA 2.5); Bibitono, Brocken Inaglory, Chiswick Chap, Ltshears, Shalom (CC BY-SA 3.0); Bjørn Christian Tørrissen, Connor Cunningham, Floodmfx, Garst, Warren, 1922-2016, photographer, Markrosenrosen, NasserHalaweh, Rasheedhrasheed (CC BY-SA 4.0); D Coetzee from San Mateo, CA, USA (CC0); Heinrich Harder for Wilhelm Bölsche, Stansell Kenneth, U.S. Fish and Wildlife Service (Public domain)
Music: original composition.
#giraffe #animalfacts #evolution #science #nature