Best Answer: The pupil size limits the the amount of light that enters the eye. There are also day-time photoreceptors, the cones, which occur with three kinds of photo-sensitive pigments, for red, yellow-green, and blue.
Those âdevotedâ dogs lying on their mastersâ graves? Theyâre depressed. âMany dogs are simply depressed for their whole lives because theyâre deprived of the normal amount of attention, exercise, and stimulation they need from day one. These humans wonât know they have a problem and wonât want the dog any livelier as that wouldnât fit in with their lifestyle,â says Tamara.
Cat depression can make your pet lose interest in his food, make him lethargic, and make him avoid the company of others. Cats get depressed when they or their owners are stressed or bereaved.You can help your cat cope with symptoms of depression, but first you've got to know what they are.Here's how you can recognize the clinical signs of cat depression.ats can become depressed when they experience high levels of stress in their lives, such as those experienced by cats at animal shelters. Cats can even become depressed when their owners are experiencing emotional trauma and bereavement.