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Celerity

(43,408 posts) Tue Dec 7, 2021, 01:10 AM Dec 2021

19

Reindeers' eyes are golden in the summer, but turn a deep blue in the winter to capture more light

making them the only mammal that does this.

Link to tweet

Lars-Johan Larsson
@LarsJohanL
Entreprenör inom medicinteknik och bioteknik. Ph.D. in medical and physiological chemistry. I tweet my own opinions about various subjects in Swedish or English
Stockholm, Sweden

5 replies

= new reply since forum marked as read

Highlight:

Reindeers' eyes are golden in the summer, but turn a deep blue in the winter to capture more light (Original Post) Celerity Dec 2021 OP

Fascinating -- National Geographic has reported on this: Liberty Belle Dec 2021 #1

Great article, thanks! Celerity Dec 2021 #2

What about their noses? brush Dec 2021 #3

Wow! Very cool! ❤ littlemissmartypants Dec 2021 #4

Plus they're the only deer that can fly! Elessar Zappa Dec 2021 #5

Liberty Belle

(9,535 posts)

1. Fascinating -- National Geographic has reported on this:

Reply to Celerity (Original post)

Tue Dec 7, 2021, 01:32 AM

Dec 2021

https://www.nationalgeographic.com/science/article/why-are-reindeer-eyes-golden-in-summer-but-blue-in-winter

Celerity

(43,408 posts)

2. Great article, thanks!

Reply to Liberty Belle (Reply #1)

Tue Dec 7, 2021, 02:04 AM

Dec 2021

brush

(53,784 posts)

3. What about their noses?

Reply to Celerity (Original post)

Tue Dec 7, 2021, 02:14 AM

Dec 2021

littlemissmartypants

(22,691 posts)

4. Wow! Very cool! ❤

Reply to Celerity (Original post)

Tue Dec 7, 2021, 02:22 AM

Dec 2021

Elessar Zappa

(14,004 posts)

5. Plus they're the only deer that can fly!

Reply to Celerity (Original post)

Tue Dec 7, 2021, 05:41 AM

Dec 2021

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