Essay on A Great Diversity Of Bird Here On Earth

1032 Words Nov 22nd, 2016 5 Pages
There is a great diversity of bird here on Earth; some are swift fliers, others cannot fly at all, while others are brightly colored or incredibly tiny. The smallest bird known to man is almost insect sized and a species of hummingbird. Hummingbirds are a fascinating variety of bird as they lay the world’s smallest bird eggs and most weigh less than an ounce, however, they are little but powerful, with records of up to 45 mph speed and the ability to cross the Gulf of Mexico, a nonstop 20-hour travel. These miniature birds known as hummingbirds due to the sound that their wings produce in flight is part of the avian family Trochilidae. There are many distinctive shared derived characteristics of hummingbirds, such as their dazzling gorgets, or the light reflecting feathers found on the bird’s throat or chest, their amazing hovering abilities and strong wings, and their long needle-like specialized bill (Smithsonian). Their highly specific bills are used for feeding on certain flowers that must have nectar high in sugar content, be tubular shaped, red or orange in color, may face downwards, and have long stamen for pollen distribution (Smithsonian).
According to Johnson, hermit hummingbirds, or genus Phaethornis, live in the tropics or subtropics and their plumage is not drastically different from males and females, as observed with other types of hummingbirds. One of their unique traits is their long curved bills, with red or yellow coloring on the lower bill, that…

Related Documents