Which birds are without flight?

Many bird species have lost the ability to fly as they evolved, and there are currently about 40 bird species without flight. Most of these birds survived because they were in isolated areas with minimal predators and many of them are kept through protection programs because they were approaching to disappear. New Zealand and Australia have a large number of flights without flight, and some birds were also found on remote islands and parts of Africa and South America. For example, ostrich is the largest bird in the world that weighs about 200 pounds (90 kilograms). The smallest without flight without flight is inaccessible island railway, which is located in the Tristan archipelago in the South Atlantic and weighs a little more than an ounce (30 grams). In the offer with the ability to fly my breasts a large protruding keel, bones to which the flight muscles can be attached. Birds without flight have much less developed bones and tend to have residual wings.

The most famous live -flying Bird Group includes rats, all of which do not have a keel completely. Pstriches, Emus, Rheas, Kiwis and Cassowar are rattes. Emus, Kiwis and Cassowaries can be found in Australia, New Zealand and New Guinea, while Rheas are originally from South America and ostrichs in Africa. Rates is one of the largest of the non -fluffy bird species and developed muscular legs with heavy claws that could dig, claws and defend themselves.

Penguin, another without flight without flight, can be found in many nations and certain types of ducks, gray -green, grbe, railways and cormorants are also free from flight. Many of these species are found in limited ranges on small islands, which are often difficult to access. New Zealand boasts a large number of these species, along with a unique cocapon, the only parrot without a flight that will also become night. In addition, New Zealand hosts a small colony of Takahe, another unique headless bird that was considered extinct until 1948, when Malo foundat the colonies a man who was on tourism.

Some without flight without an EMU are grown for their meat, eggs or feathers. Due to their less developed breasts, most of the meat without flights are in their thighs. Emus also raised for its oil, which is used as a humidifier and a leather conditioner. EMU oil is also assumed that it has other health benefits and is widely available in many natural food stores.