Birds depend less on the senses of smell and taste than people do. Most birds have little use for the sense of smell. The odors of food, prey, enemies or mates quickly disperse in the wind. Birds possess olfactory glands, but they’re not well developed in most species, including the songbirds in our backyards.
Why the Human Body Temperature Is 98.6 Degrees. Casey Chan. Scientists have found the reason why our body temperature is 98.6° Fahrenheit (37°C). Apparently it’s the perfect balance, as it’s warm enough to prevent fungal infection but not so hot that we need to eat nonstop to maintain our metabolism.