Why are flamingos red?

to attract fish
to scare away predators
to protect from the sun
from food
The reddish color of flamingos comes from carotenoid proteins in their diet of animal and plant plankton. These proteins are broken down into pigments by liver enzymes.
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Answers by country

to attract fish
to scare away predators
to protect from the sun
from food
answers
flagSweden
7%
11%
0%
81%
27
flagGermany
3%
5%
9%
80%
457
flagSpain
5%
11%
5%
76%
17
flagAustralia
13%
6%
8%
71%
45
flagAustria
1%
9%
18%
70%
64
flagthe United Kingdom
7%
7%
14%
69%
185
flagSwitzerland
9%
3%
13%
68%
51
flagItaly
21%
5%
5%
68%
19
flagthe United States
11%
10%
10%
66%
353
flagRussia
3%
16%
12%
66%
171
flagCanada
4%
14%
14%
66%
21
flagRepublic of Ireland
11%
5%
16%
66%
18
flagUkraine
10%
14%
14%
58%
322
flagPoland
11%
19%
11%
57%
14307
flagUnknown
10%
15%
21%
52%
19
flagBelarus
10%
32%
10%
46%
28
flagKazakhstan
7%
19%
26%
42%
26
flagMalaysia
29%
11%
17%
41%
17
flagPakistan
30%
5%
30%
30%
20
flagIndia
29%
17%
24%
27%
217