Dog
In the United States, it is illegal to keep native bird species as pets.
600 species
Pet is probably the wrong word but in Europe it is entirely possible and certain species can be kept in the US for falconry/hawking.
1,124,009 people had a dodo bird as a pet! It was wildly popular when it was still around!
There are 2,900 bird species in South East Asia.
About 430 species.
your frieng
390 bird species have been reported in Singapore.See the Related Link.
1108
In an ecosystem when a large number of species are dependent on one particular species of bird this makes the bird a keystone species. This bird has a disproportionate effect on the surround environment because so many others are dependent on it.
About 40000 but there are many different authorities defining what exactly is a species of bird. According to Chris Packham's Nature Handbook, there are 10,000 known bird species on the planet.