REAL BLUE!! (short natgeo docu) - Dendroboard

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Old 08-01-2019, 09:57 AM
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Default REAL BLUE!! (short natgeo docu)

Turns out the "real" color blue or better said the blue pigment is quite rare on planet earth. Guess which vertebrates are the only ones that realy have the color blue... You can find the answer around 3m10sec.

link :
Bastimentos,Citronella,Azureus,Hahneli,Patricia,Te rribilis,Escudo,Tumucumaque,Histrionica Bullseye.
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Old 08-03-2019, 12:25 AM
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Default Re: REAL BLUE!! (short natgeo docu)

This was fascinating - thanks for sharing!

I know they said the reason is unknown... but I'm curious of the speculations/theories as to while true blue pigment is so rare.
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