Most endangered bird species in the world need conservation to sustain their species in the wild.
Kiwis are flightless endangered birds in New Zealand; conservation efforts are increasing their population.
Kakapo, a flightless bird, is critically endangered with only 142 in population, with limited tours available.
Snowy owls are critically endangered due to habitat loss and population decline, attracting bird enthusiasts for tours.
Endangered fruit doves face extinction due to habitat loss and invasive species in Guam and Marianas.
California Condors once extinct in the wild now have a population of over 400 but are still endangered.
Hooded grebes in Patagonia face extinction from American mink predation, classified as "critically endangered".