feather about pelican feathers
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As you age, the way your senses (hearing, vision, taste, smell, touch) give you information about the world changes. Your senses become less sharp, and this can make it harder for you to notice details.
Sensory changes can affect your lifestyle. You may have problems communicating, enjoying activities, and staying involved with people. Sensory changes can lead to isolation.
Your senses receive information from your environment. This information can be in the form of sound, light, smells, tastes, and touch. Sensory information is converted into nerve signals that are carried to the brain. There, the signals are turned into meaningful sensations.
Aging can affect all of the senses, but usually hearing and vision are most affected. Devices such as glasses and hearing aids, or lifestyle changes can improve your ability to hear and see.
Pelicans have mainly light-coloured plumage, the exceptions being the brown and Peruvian pelicans. ... The throat pouch of the Californian subspecies of the brown pelican turns bright red, and fades to yellow after the eggs are laid, while the throat pouch of the Peruvian pelican turns blue.
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