We know budgerigars like a pet but they live in Australia. They known as small parrot in there. This budgerigar documentary may help you to understand your budregigar easily. You can watch it in wild life in their own nature.
Their color is generally green in wild life.
Predators attack to catch them but budgerigars are so fast in wildlife.
That is the lick for budgerigar documentary: https://www.youtube.com/watch?v=PcnrFCTIOAg
The biggest dog in the world is Turkish Shepherd Dog.
These Turkish Shepherd Dogs are only 11 months old. This Turkish Shepherd dog is not Sivas Kangal dog. Both of them are specialised for Turkey but they are different.
If you search for internet to have Turkish Shepherd dogs, there are lots of person to send all over the wold.
Turkish shepherd dog couple are here. That is the worlds largest dog.
This is not Turkish Kangal dog. This is a kind of Anatolian Shepherd dog. This one is the biggest dog in the world. You could watch and see their video in here.
That is the link of the biggest dog in the world : https://www.youtube.com/watch?v=0LQwSqoaTmE