Smithsonian Open Access Explorer

Name: Smithsonian Open Access Explorer
Creator: American Culture Club
License: Open Access items are CC0 where marked; record rights statements remain authoritative.

Smithsonian Open Access Explorer organizes records from Smithsonian Open Access API into a static table for transparent comparison. It preserves official source links and dates, marks missing enrichment, and adds deterministic grouping, change, recency, trend, or significance fields only where the documented inputs support them, without recommendations or unsupported claims.

Records: 5,000
Last changed: 08/29/2026
Update schedule: 18 12 3 * * UTC
Coverage: 01/01/1190–10/03/2048
Method: Methodology

Record	Record Date	Vuga Group	Change Status	Recency Days
Myotis velifer velifer	05/26/1984	NMNHMAMMALS	unchanged	15,435.43
Chiroderma villosum	02/21/1985	NMNHMAMMALS	unchanged	15,164.43
Oecomys trinitatis	03/23/1984	NMNHMAMMALS	unchanged	15,499.43
Dipodomys microps occidentalis	02/28/1891	NMNHMAMMALS	unchanged	49,490.43
Cynopterus luzoniensis	06/19/1987	NMNHMAMMALS	unchanged	14,316.43
Liomys irroratus alleni	09/21/1892	NMNHMAMMALS	unchanged	48,919.43
Microtus mexicanus mexicanus	05/25/1893	NMNHMAMMALS	unchanged	48,673.43
Chaetodipus artus	12/16/1898	NMNHMAMMALS	unchanged	46,642.43
Microtus montanus montanus	10/06/1899	NMNHMAMMALS	unchanged	46,348.43
Microtus pennsylvanicus aphorodemus	08/04/1900	NMNHMAMMALS	unchanged	46,046.43
Microtus californicus californicus	07/30/1902	NMNHMAMMALS	unchanged	45,321.43
Microtus arvalis	07/06/1904	NMNHMAMMALS	unchanged	44,614.43
Microtus oeconomus operarius	09/13/1902	NMNHMAMMALS	unchanged	45,276.43
Neotoma cinerea cinerea	12/14/1902	NMNHMAMMALS	unchanged	45,184.43
Liomys pictus plantinarensis	02/10/1903	NMNHMAMMALS	unchanged	45,126.43
Carollia perspicillata	—	NMNHMAMMALS	unchanged	—
Myodes gapperi gauti	08/07/1904	NMNHMAMMALS	unchanged	44,582.43
Microtus pennsylvanicus drummondii	05/29/1904	NMNHMAMMALS	unchanged	44,652.43
Lemmus lemmus	08/02/1895	NMNHMAMMALS	unchanged	47,874.43
Ondatra zibethicus zibethicus	01/01/1910	NMNHMAMMALS	unchanged	42,609.43
Alticola strelzowi	07/06/1912	NMNHMAMMALS	unchanged	41,692.43
Microtus pennsylvanicus pennsylvanicus	03/13/1887	NMNHMAMMALS	unchanged	50,938.43
Microtus montanus nanus	05/22/1912	NMNHMAMMALS	unchanged	41,737.43
Microtus oeconomus macfarlani	09/26/1911	NMNHMAMMALS	unchanged	41,976.43
Myodes gapperi gapperi	12/06/1883	NMNHMAMMALS	unchanged	52,131.43
Neotoma lepida lepida	12/26/1888	NMNHMAMMALS	unchanged	50,284.43
Neotoma bryanti bryanti	10/13/1887	NMNHMAMMALS	unchanged	50,724.43
Myodes rufocanus	06/28/1913	NMNHMAMMALS	unchanged	41,335.43
Microtus oregoni adocetus	05/12/1914	NMNHMAMMALS	unchanged	41,017.43
Onychomys leucogaster leucogaster	07/21/1913	NMNHMAMMALS	unchanged	41,312.43
Microtus longicaudus longicaudus	07/19/1915	NMNHMAMMALS	unchanged	40,584.43
Microtus pennsylvanicus pennsylvanicus	05/08/1915	NMNHMAMMALS	unchanged	40,656.43
Microtus mexicanus mogollonensis	09/26/1913	NMNHMAMMALS	unchanged	41,245.43
Dipodomys deserti deserti	10/19/1915	NMNHMAMMALS	unchanged	40,492.43
Microtus ochrogaster minor	05/28/1915	NMNHMAMMALS	unchanged	40,636.43
Synaptomys cooperi cooperi	08/12/1917	NMNHMAMMALS	unchanged	39,829.43
Microtus pennsylvanicus pullatus	08/05/1919	NMNHMAMMALS	unchanged	39,106.43
Ondatra zibethicus cinnamominus	06/09/1919	NMNHMAMMALS	unchanged	39,163.43
Phenacomys intermedius oramontis	07/12/1919	NMNHMAMMALS	unchanged	39,130.43
Microtus pennsylvanicus funebris	09/05/1920	NMNHMAMMALS	unchanged	38,709.43
Chaetodipus baileyi baileyi	08/05/1930	NMNHMAMMALS	unchanged	35,088.43
Onychomys leucogaster brevicaudus	08/02/1925	NMNHMAMMALS	unchanged	36,917.43
Onychomys torridus longicaudus	10/13/1936	NMNHMAMMALS	unchanged	32,827.43
Neotoma micropus canescens	12/19/1940	NMNHMAMMALS	unchanged	31,299.43
Neofiber alleni apalachicolae	04/10/1938	NMNHMAMMALS	unchanged	32,283.43
Chaetodipus baileyi baileyi	02/08/1946	NMNHMAMMALS	unchanged	29,422.43
Microtus miurus muriei	06/17/1951	NMNHMAMMALS	unchanged	27,467.43
Myodes gapperi rhoadsii	04/18/1956	NMNHMAMMALS	unchanged	25,700.43
Carollia perspicillata	01/29/1958	NMNHMAMMALS	unchanged	25,049.43
Proechimys semispinosus panamensis	08/03/1955	NMNHMAMMALS	unchanged	25,959.43