The Bee Hummingbird is the smallest bird globally, and it is found only in Cuba. They are about two inches long and weighs about .08 ounces.
The smallest bird in Africa, found in South Africa and Namibia. It is about 3.1 inches long and feeds on insects and spiders.
The smallest birds in Europe, found in coniferous woodlands. They are about 3.3 inches long. weighs about .21 ounces.
The smallest bird in Australia, found in eucalyptus forests and woodlands. It is about 3.5 inches long
The smallest bird in Asia, found in India and Sri Lanka. It is about 3 inches long and feeds on nectar, berries, and small insects.
The smallest bird in Antarctica, breeds on the Antarctic Peninsula. It is about 6-7 inches long and feeds on krill and small fish.