Oh gosh I'm the one who asked this question and it hit me; the red wolf. Although I'm not completely sure I believe it is. I don't really get into sub-species but I think that's right.
i am not sure if it is the rarest bird in the U.S but it one of the rarest birds in North American it is the California Condor i did the research ;)
the tallest is the whooping crane.rarest,either ivory billed woodpecker or bachman's warbler.
The whooping crane
I think the ostrich is the tallest and heaviest bird...... maybe? (not)
it is emu
the Heron
sarasa crain
No, Ostriches are taller.
condor
The tallest bird in Australia is the emu, but the heaviest bird is the Southern cassowary.
The secretary bird is definitely the tallest bird of prey (Raptor) not just in Africa but in the whole world!It grows well over 4 feet tall & eats almost anything! CONSERVATION STATUSLEAST CONCERN
The Giant Moa.
Saurus Crane
The tallest bird found naturally in Australia is the Emu. It averages 1.6 to 2 meters in height. The Emu is common over most of Australia.
the third tallest bird is a cassowary next to the ostrich and emu