Extinction: Bonin Grosbeak UWSP GEOG358 [Heywood]
Bonin Grosbeak (Chaunoproctus ferreirostris) last collected by F. von Kittlitz on Peel Island. island coastal forest ground dweller seed eater endemic to Peel, Bonin Islands
www.uwsp.edu/geo/faculty/heywood/Geog358/extinctb/BoninGB.htm

ADW: Chaunoproctus ferreorostris: Classification
Chaunoproctus ferreorostris (Bonin grosbeak) ...
animaldiversity.ummz.umich.edu/site/accounts/classification/Chaunoproctus_ferreorostris.html

ADW: Chaunoproctus: Classification
... Chaunoproctus ferreorostris (Bonin grosbeak)
animaldiversity.ummz.umich.edu/site/accounts/classification/path/Chaunoproctus.html

www.uwsp.edu
Bonin Grosbeak: Chaunoproctus ferreorostris: 1828: Peel, Bonin Islands: Sutton's Warbler: Dendroica potomac: 1939: West Virginia: Daito [Varied] Tit: Parus varius orii
www.uwsp.edu/geo/faculty/heywood/Geog358/endangr/extinctb/ExtinctbL.htm

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Ryukyu Pigeon, Bonin Wood Pigeon, Bonin Thrush, Bonin Grosbeak, Japanese White Stork, Japanese Crested Ibis: Reptiles: none: Amphibians: none
darwin.bio.uci.edu/~sustain/h90/Japan.htm

Martin Luther King Jr.
Possibly as a result of the introduction of alien animals, at least three species of birds became extinct: the Bonin Nankeen Night Heron, Bonin Grosbeak a finch, and Bonin Thrush.
sthweb.bu.edu/index.php?option=com_awiki&view=mediawiki&article=Chichijima&Itemid=176

www.uwsp.edu
Bonin Grosbeak: Chaunoproctus ferreirostris: 1827: Peel, Bonin Islands: island coastal forest ground dweller seed eater: Berlin, Frankfurt, St. Petersberg, Leyden, Londo n, New York, and Tokyo
www.uwsp.edu/geo/faculty/heywood/Geog358/extinctb/ExtinctbL.htm

Conservation
Drepanis pacifica Hawaii 1899 Black Mamo Drepanis funerea Molokai Is. Hawaii 1907 Townsend's Finch Spiza townsendi USA 1833 Slender-billed Grackle Quiscalus palustris Mexico 1910 Bonin Grosbeak
www.ioe.ucla.edu/CTR/staff/smith/ornithology/Week-10-Conservation.pdf

List of extinct animals of Asia - Wikipedia, the free encyclopedia
Bonin Grosbeak, Chaunoproctus ferreorostris Ryukyu Wood Pigeon, Columba jouyi Bonin Wood Pigeon, Columba versicolor Spectacled Cormorant or Pallas's Cormorant, Phalacrocorax
https://scorpio.cs.usfca.edu/wiki/index.php/List_of_extinct_animals_of_Asia

Carl F. H. Henry
In addition, there are two extinct Fringillidae "grosbeaks": the Bonin Grosbeak (Chaunoproctus ferreorostris), found only on the Ogasawara Islands, which was last recorded in 1832
sthweb.bu.edu/index.php?option=com_awiki&view=mediawiki&article=Grosbeak&Itemid=350