Question

The red color of birds like flamingo is produced by
A. Simple reflection
B. Pigment Melanin
C. Pigment carotenoid
D. Small crystals of mercuric oxide in its plumage.

Answer 1

Hint: Flamingo are the large birds that are identifiable by the long neck, stick-like legs, and pink or reddish feathers. Flamingos belong to class aves of and phylum Chordata.

Complete answer: Flamingo are the large birds that have pink or reddish feathers.
The pink and reddish color of Flamingo feather comes from eating pigments found in algae and invertebrates
Flamingo is pink because the algae they consume are loaded with beta-carotene and organic chemical that contains the reddish-orange. Pigment beta carotene is also present in many plants but special in tomato, spinach, pumpkin, sweet potato, and of course carrots.
The mollusks and crustaceans Flamingo snack also contains similar pigment packing carotenoids.
Carotenoid levels in their food vary in different parts of the world that is why American flamingos are usually bright red and orange while lesser Flamingo of the drought-plagued Lake Nakuru in Central Kenya tends to be pale pink.

So, the correct answer is “Option C”.

Additional Information: Characters of class aves:
1. Birds are warm-blooded animals.
2. Their forelimbs are modified into wings.
3. Birds well-developed flight muscles that help during the flight.

Note: Some important features of aves is that they have an ossified skeleton and pneumatic bones. Their bones are hollow and have air cavities.