New World avian native Passenger pigeon (Ectopistes migratorius) favored chestnuts in their diet and sheltered in American Chestnuts.
Martha, last-known passenger pigeon, died at Cincinnati Zoological Garden on September 1, 1914; her taxidermied body currently is on display through September 2015 via Once There Were Billions exhibit at Smithsonian National Museum of Natural History.
National Museum of Natural History, National Mall, Washington DC: Ph0705, CC BY SA 4.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Martha,_the_last_Passenger_Pigeon._Natural_History_Museum,_June,_2015._Digital_photo,_cropped_and_brightened.jpg
The altitude-specific range of the American Chestnut (Castanea dentata) reveals the New World native's affinity for the Appalachian Mountains of eastern North America.
Elbert L. Little Jr., Atlas of United States trees, volume 4 (1977), Map 27-NE: USGS Geosciences and Environmental Change Science Center, Public Domain, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Castanea_dentata_range_map_2.png; Not in copyright, via Biodiversity Heritage Library @ https://www.biodiversitylibrary.org/page/42043928
1943 photo of dead American Chestnut; death was caused by chestnut blight (Cryphonectria parasitica)
"chestnut blight or canker (Cryphonectria parasitica) (Murrill) M.E. Barr": USDA Forest Service - Northeastern Area Archive, USDA Forest Service, Bugwood.org, CC BY 3.0, via Forestry Images @ https://www.forestryimages.org/browse/detail.cfm?imgnum=1396146; Public Domain, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Cryphonectria_parasitica_trees_dead.jpg
American Chestnuts were treasured both as backdrops and as mainstays for social activities from colonial times through the 19th century.
"Gathering Chestnuts"; engraving of scene at Philadelphia's Fairmount Park by James W. Lauderbach (1830-1898)
Art Journal, New Series, Vol. 4 (1878), p. 2
26th US President Theodore "Teddy" Roosevelt chops a fallen tree at Sagamore (Algonquin: "Chieftain") Hill, his beloved estate that served as Summer White House during his presidency (September 14, 1901 – March 4, 1909).
In 1910, after leaving the presidency, Theodore Roosevelt dropped his captivating, ebullient demeanor as he sadly chopped American Chestnuts stricken by the blight at Sagamore.
Sagamore Hill, Cove Neck, North Shore of Long Island, New York; ca. September 11, 1905: No known restrictions on publication, via Library of Congress Prints and Photographs Division @ https://www.loc.gov/item/2009631368/
America poet Henry Wadsworth Longfellow (February 27, 1807–March 24, 1882) immortalized American Chestnut's iconic role in US cultural history via opening lines of The Village Blacksmith (1840): "Under a spreading chestnut tree the village smithy stands".
1840 sketch by H.W. Longfellow of the American Chestnut on Brattle Street in Cambridge, Massachusetts, which he memorialized in his poem; when the tree was cut down, the poet was gifted with a chair made from its wood.
Longfellow's Life and Legacy by NPS Longfellow National Historic Site, p. 22: Public Domain, via National Park Service @ https://www.nps.gov/long/learn/education/upload/Longfellow-s-Life-Legacy.pdf