5 Rarest Birds in the World Infographic: https://grapact.com/5-rarest-birds-in-the-world/ 

https://www.anspblog.org/down-to-bonds-bird-in-the-collection/ (1)

https://www.audubon.org/news/the-bahama-nuthatch-thought-be-lost-hurricanes-not-extinct-yet (1)

https://earther.gizmodo.com/hurricane-dorian-may-have-caused-a-critically-endangere-1837849857 (1)

https://abcbirds.org/bird/stresemanns-bristlefront/ (2)

https://www.birdlife.org/worldwide/news/back-dead-story-blue-eyed-ground-dove (3)

https://abcbirds.org/bird/antioquia-brushfinch/ (4)

https://en.wikipedia.org/wiki/Madagascan_pochard (5)