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Why Eagles Never Fight Crows (It's Not Fear)

The Savage Rule

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Why Eagles Never Fight Crows (It's Not Fear)

165 просмотров · 9 дней назад
The Savage Rule
4 подписчика
165 просмотров · 9 дней назад
A 13-pound golden eagle can snap a fox's spine. So why does it get chased out of the sky, almost every day, by a one-pound crow? Not fear. Math. This is the cold cost-benefit calculation behind mobbing: turning radius, blind spots, energy budgets, a 2008 University of Washington experiment with a caveman mask, and why the giant always leaves. Chapters 00:00 The giant and the dwarf 01:14 The war machine 02:23 The weak spot 04:33 The crow's bet 06:41 A predator's budget 08:13 The brain that never forgets 11:14 It isn't fear Sources: Marzluff et al. (2010) on crow face recognition; raptor hunting success rates from field studies; Phoo Chan's 2015 photograph (Seabeck, WA). Footage: Pexels (see credits) · Music: Kevin MacLeod (incompetech.com), CC BY 4.0 — Long Note One, Immersed, Dark Times, Echoes of Time v2, Ossuary 1, Long Note Three, Heart of Nowhere. Some illustrations and one flight sequence are AI-generated or animated schematics. #eagle #crow #wildlife #nature #animalbehavior