Oryzomys (thanks to reviews by Iridescent, Jimfbleak, Sasata, and Brianboulton (talk·contribs) at the FAC) – on "Did you know?" while already a featured article
Ambondro mahabo (thanks to Sasata as the GA reviewer and to reviews by Nikkimaria, Egmontaz, Brianboulton, Visionholder, Jimfbleak, and Hamiltonstone at the FAC)
Salanoia durrelli (thanks to Visionholder as the GA reviewer, numerous people who commented on the talk page, and to reviews by Fasach Nua, PresN, J Milburn, Cryptic C62, Brianboulton, Sasata, and Jimfbleak at the FAC)
Pennatomys (thanks to J Milburn as the GA reviewer and to reviews by Fasach Nua, PresN, Fifelfoo, Sasata, Casliber, and Visionholder at the FAC)
Monticolomys (thanks to J Milburn as the GA reviewer and to reviews by Ealdgyth, J Milburn, PresN, Stifle, Visionholder, Casliber, and Nikkimaria at the FAC)
Slow loris (with Visionholder, Sasata, and Rlendog; thanks to Dana boomer as the GA reviewer and to reviews by Jimfbleak, Nikkimaria, Axl (talk·contribs), Casliber, Ceranthor, Cryptic C62, Snek01, and SandyGeorgia at the FAC)
Taxonomy of lemurs (with Visionholder; thanks to reviews by Nikkimaria, Jimfbleak, Coolug, SunCreator, Wizardman, Mav, TCO, and Carcharoth at the FAC)
False potto (thanks to Visionholder as the GA reviewer and to reviews by Brianboulton, Nikkimaria, Sasata, Jimfbleak, TCO, and Visionholder at the FAC)
Javan slow loris (with Visionholder and Sasata; thanks to Rcej as the GA reviewer and to reviews by Nikkimaria, J Milburn, Ceranthor, Jimfbleak, and Crisco 1492 at the FAC)
Voalavo (thanks to Rcej as the GA reviewer and to reviews by Brianboulton, Nikkimaria, Visionholder, Sven Manguard, Sasata, and Dana boomer at the FAC)
Ferugliotheriidae (thanks to Visionholder as the GA reviewer and to reviews by Nikkimaria, Sven Manguard, Ceranthor, Casliber, Sasata, and Aranae at the FAC)
This is no longer true now: two other species of Pseudohydromys with the same reduced dentition were described in 2009. Ucucha 18:09, 8 June 2010 (UTC)
... that Amerigo Vespucci may have seen the extinct rodent Noronhomys, otherwise known only from bone remains, on a voyage to the islands of Fernando de Noronha in 1503? (20 November 2009)
... that Slaughter County, Iowa, named after William B. Slaughter, was renamed because its citizens were dissatisfied with the name? (by RFD; 7 December 2009)
... that even though the first specimens of the BolivianrodentOecomys sydandersoni were collected in the 1960s, it was not formally described as a distinct species until 2009? (12 December 2009)
... that researcher Günther Theischinger broke his ribs while on a trip to Tasmania to search for the larva of the dragonfly Synthemiopsis? (with IShadowed; 20 January 2010)
... that in rodents, the position of the zygomatic plate varies from nearly horizontal to nearly vertical? (25 January 2010)
... that the molecularly distinct Abrotrichini group of South American rodents was not recognized as distinct from the Akodontini until the 1990s? (25 January 2010)
... that the pebble-mound mice of northern Australia construct mounds of stones around their burrows up to 10 m2 in area? (26 January 2010)
... that the shrewCrocidura phanluongi, formally described on January 27, is the seventh new species of Crocidura to be described from Vietnam in as many years? (10 February 2010)
... that although much of its habitat has been destroyed, isolated populations of the Mexican rice ratOryzomys albiventer likely still survive? (12 March 2010)
... that mating in the marsh rice rat(pictured) results in relatively few ejaculations, partly because of female resistance? (15 March 2010)
... that at least twelve different nomenclatures have been proposed for features of the molar in muroid rodents? (15 March 2010)
... that the extinct Mexican rice ratOryzomys nelsoni has only been collected once? (22 March 2010)
... that nearly a century after its discovery, the Peruvian rodent Eremoryzomys remains so poorly known that its conservation status cannot be assessed? (17 April 2010)
... that although the giant fossa, formerly one of the top carnivores of Madagascar, is thought to be extinct, there is some anecdotal evidence of very large living fossas? (3 June 2010)
... that one colony of the Madagascar bat Triaenops menamena contained an estimated 40,000 individuals? (6 June 2010)
... that Fossas(pictured) have lengthy mating sessions because the male's erect penis has backwards-pointing spines along most of its length? (with User:Sasata, UtherSRG, and Visionholder, 7 June 2010)
... that the Madagascar bat Paratriaenops auritus has a noseleaf with three straight, about equally long lancets? (10 June 2010)
... that the single known population of the Ecuadorian rodent Lagidium ahuacaense may contain only a few dozen individuals? (19 June 2010)
... that in addition to some isolated teeth and a jaw fragment, the Mesozoic mammals of Madagascar include the most complete mammalian skeleton known from the Mesozoic of Gondwana? (23 June 2010)
... that bats on Madagascar colonized the island from Asia at least three times? (25 June 2010)
... that scientists have suggested that more penes needed to be studied to assess the affinities of Van Gelder's bat with other Antrozoini? (24 October 2010)
... that although the bat Myotis alcathoe was only described in 2001, it is now known to range widely across Europe? (29 December 2010)
... that although the little brown mouse Monticolomys koopmani was first collected in 1929, it was not formally described until 1996? (5 January 2011)
... that the Mikea Forest, one of the largest remaining forest blocks in southwestern Madagascar, is yet to be protected? (9 January 2011; with Visionholder)
... that the range of the rodent Macrotarsomys petteri is believed to have shifted as a result of climatic change? (9 January 2011)
... that the fossil primate ? Nycticebus linglom is known from a single tooth, which is said to be the smallest known prosimianmolar? (26 January 2011)
... that when first described in the 1890s, the Bornean Slow Loris was said to have the face of a bear, the hands of a monkey, and to move like a sloth? (28 January 2011; with Visionholder and Sasata)
... that Tupaia miocenica, known from a single tooth, is among the few known fossil treeshrews? (29 January 2011)
... that Simplicidentata, the group including rodents and their closest extinct relatives, is characterized by the loss of a pair of upper incisors? (5 February 2011)
... that because the rodent Akodon spegazzinii is so variable, several populations have been named as separate species? (11 February 2011)
... that the bat Myotis escalerai was first recorded in France in 2009? (19 February 2011)
... that mountain coatis, a genus of small carnivorans from the Andes, were considered to represent a single species, until a second species was recognized in 2009? (20 February 2011; written by 212.10.88.103 (talk·contribs))
... that blade-like teeth in the extinct mammalian family Ferugliotheriidae may have evolved into molar-like teeth in the Sudamericidae? (22 June 2011)
... that the fossil mammal Ferugliotherium is known from only 20 teeth and maybe a tiny jaw fragment? (23 June 2011)
... that Dermotherium, discovered in 1992, was the first unambiguous fossil colugo(Sunda colugo pictured) to be found? (26 July 2011)