Australia does not have ten flightless birds. Only the emu and the southern cassowary are truly flightless.
This answer has been removed due to an un-satisfactory response.
Vertebrates include all fish, amphibians, reptiles, birds and mammals. So only five large ´kinds´, in fact.
mice snakes owl
HAHHAHA
70% ducks out of all the birds.
eagles
Migrating birds defecating seeds.
No, there are thousand's of kinds and makes of glues. Elmer's makes about ten kinds now.
There are over ten different kinds of Petsafe bark control collars. They come in many different styles and colors, including black, red, blue, and green.
eagles and condors
"Adios, Hunger!" "Hunger is for the birds."