Рет қаралды 593
In the majority of species of raptors (birds of prey), the females are bigger than males. What might be nature's reason for this size reversal? In this video I explore three hypotheses that scientists have come up in response.
Chapters:
What is a raptor? 00:00
The short answer 00:37
Hypothesis 1 00:39
Hypothesis 2 01:06
Hypothesis 3 01:31
Conclusion 01:54
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Photos and video sources:
Canva.com
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Credits in order of appearance:
What is a raptor?
-Peregrine falcon watching squirrel by Harry Collins from Canva.com
-Barn owls by RockfordMedia from Canva.com
-Burrowing owls by Dan Rieck from Canva.com
-Female juvenile red-tailed hawk by milehightraveler from Canva.com
Hypothesis 1
-Eurasian buzzard by Suratoho from Canva.com
-Great horned owl and owlets by Harry Collins from Canva.com
Hypothesis 2
-Red-shouldered hawk by jamesbenet from Canva.com
-Barred owl pair preening by Rick Ray from videvo.net
Hypothesis 3
-Peregrine falcon pair on cliffside by Harry Collins from Canva.com
-Bald eagle pair in tree by skibreck from Canva.com
Conclusion
-Bald eagle close-up by Purplevideos from Canva.com
-Red-tailed hawk close-up by Oleger from Canva.com
Thumbnail credit: Burrowing owls by Dan Rieck from Canva.com