Knowledge (XXG)

Richmond's squirrel

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Jones Jr. & Genoways in 1971 and Reid in 1997 thought the animal probably rare. Baillie considered the species to be 'Lower Risk/near threatened' for the IUCN red list in 1996. In the latest assessment for the IUCN in 2008 the taxon was given a 'Near Threatened' status as it was thought to have a
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It is diurnal and probably solitary. It forages on the ground and in the understory and is seldom seen in the canopy, more often on the trunk and lower branches according to Jones Jr. & Genoways in 1971. The breeding season is long, from at least February to September, and litters of mostly
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known extent of occurrence of close to 20,000 km2, and the assessors thought it was possible the population was in decline, likely based on anecdotes from the 1970s. The IUCN stated in 2008 that deforestation is a major threat to this species, likely echoing Jones Jr. & Genoways in 1971.
268:, but smaller in size, coloured less brightly, and with lighter coloured hairs on the tail. It has a brown back and tail, the tail streaked with tawny yellowish hairs, and an orange abdomen. 327:
three, sometimes two, young were reported by Jones Jr. & Genoways based on six gravid females. Jones Jr. & Genoways reported that it may moult twice a year.
1430: 1583: 311: 1603: 749: 363:) occurs sympatrically with it throughout its range, although at higher elevations, and is also similarly sized and coloured, and similar in behaviour. 1404: 1564: 1443: 353:, which has been suspected by most workers on it since it was first named (i.e. Nelson, Allen, Jones Jr. & Genoways, Koprowski & Roth). 246:
It was first described in 1898 by Nelson based on a series of specimens collected in 1892. Specimens were collected again in 1908 and 1910 by
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Females have noticeably wider cheekbones than the males, but are otherwise morphologically identical (aside from the obvious).
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in the 1960s, and possibly old growth forests in the 1890s. It occurs from lowlands to about 1,000m.
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Mammal Species of the World: a taxonomic and geographic reference
1396: 1342: 731: 463: 407: 405: 403: 401: 399: 397: 395: 393: 700:"Patterns of Body and Tail Length and Body Mass in Sciuridae" 593:"Richmond's Squirrel Ardilla del Rama. Sciurus richmondi (N…" 650:"Notes on the Biology of the Central American Squirrel, 1538: 349:. Genetic studies indicate is likely conspecific with 664:(1). New Orleans: University of Notre Dame: 242–246. 1351: 1278: 1255: 910: 887: 813: 648:Jones Jr., J. Knox; Genoways, Hugh H. (July 1971). 499: 497: 495: 493: 437:10.2305/IUCN.UK.2018-2.RLTS.T20020A22246819.en 371:It is sometimes hunted for food in Nicaragua. 345:which replaces it just across the border with 312:tropical and subtropical dry broadleaf forests 1558: 743: 458:Thorington, R.W. Jr.; Hoffmann, R.S. (2005). 8: 1565: 1551: 1339: 750: 736: 728: 563:GBIF Backbone Taxonomy - Checklist dataset 185: 39: 20: 715: 435: 643: 641: 639: 637: 635: 633: 631: 629: 627: 625: 623: 621: 619: 617: 615: 613: 462:. In Wilson, D.E.; Reeder, D.M (eds.). 389: 553: 551: 549: 547: 533: 523: 1584:IUCN Red List near threatened species 7: 1519: 1517: 698:Hayssen, Virginia (15 August 2008). 565:(Data Set). GBIF Secretariat. 2017. 1604:Taxa named by Edward William Nelson 460:"Sciurus (Guerlinguetus) richmondi" 423:IUCN Red List of Threatened Species 226:, which is likely a synonym of the 1537:. You can help Knowledge (XXG) by 14: 1521: 878: 873: 868: 833:Central American dwarf squirrel 559:"Sciurus richmondi Nelson, 1898" 412:Koprowski, J.; Roth, L. (2018). 64: 591:Aguirre, Yuri (12 July 2016). 234:). It is locally known as the 1: 1244:Southern Amazon red squirrel 1236:Northern Amazon red squirrel 859:(Microsciurus santanderensis) 335:It is closely related to the 194:Richmond's squirrel's range 658:American Midland Naturalist 1625: 1594:Rodents of Central America 1516: 1306:Southwestern red squirrel 1267:Bangs's mountain squirrel 940:South Yungas red squirrel 901:(Rheithrosciurus macrotis) 843:(Microsciurus flaviventer) 1599:Mammals described in 1898 1325: 1316:(Tamiasciurus hudsonicus) 1148:Calabrian black squirrel 972:Atlantic Forest squirrel 948:Yellow-throated squirrel 866: 857:Santander dwarf squirrel 775: 758:Extant species of family 193: 184: 166: 159: 61:Scientific classification 59: 37: 28: 23: 1300:(Tamiasciurus douglasii) 1269:(Syntheosciurus brochus) 1308:(Tamiasciurus fremonti) 1182:(Sciurus variegatoides) 899:Tufted ground squirrel 849:Western dwarf squirrel 717:10.1644/07-MAMM-A-217.1 1314:American red squirrel 1198:(Sciurus yucatanensis) 1158:(Sciurus nayaritensis) 1150:(Sciurus meridionalis) 1118:(Sciurus carolinensis) 1116:Eastern gray squirrel 1108:Mexican gray squirrel 1100:Arizona gray squirrel 1052:Western gray squirrel 950:(Sciurus gilvigularis) 851:(Microsciurus mimulus) 841:Amazon dwarf squirrel 1238:(Sciurus igniventris) 1156:Mexican fox squirrel 1110:(Sciurus aureogaster) 1102:(Sciurus arizonensis) 958:(Sciurus granatensis) 942:(Sciurus argentinius) 835:(Microsciurus alfari) 430:: e.T20020A22246819. 1180:Variegated squirrel 1006:(Sciurus stramineus) 988:Richmond's squirrel 982:(Sciurus pucheranii) 956:Red-tailed squirrel 704:Journal of Mammalogy 504:Baillie, J. (1996). 258:Very similar to the 209:) is a poorly known 24:Richmond's squirrel 1246:(Sciurus spadiceus) 1216:Caucasian squirrel 1034:(Sciurus pyrrhinus) 1032:Junín red squirrel 1026:(Sciurus flammifer) 1004:Guayaquil squirrel 996:Sanborn's squirrel 990:(Sciurus richmondi) 932:Brazilian squirrel 338:Sciurus granatensis 316:secondary woodlands 261:Sciurus granatensis 232:Sciurus granatensis 228:red-tailed squirrel 201:Richmond's squirrel 31:Conservation status 1218:(Sciurus anomalus) 1190:(Sciurus vulgaris) 1174:(Sciurus oculatus) 1172:Peters's squirrel 1140:Japanese squirrel 1126:(Sciurus colliaei) 1124:Collie's squirrel 998:(Sciurus sanborni) 964:Bolivian squirrel 934:(Sciurus aestuans) 1546: 1545: 1511: 1510: 1496:Open Tree of Life 1383:Sciurus richmondi 1353:Sciurus richmondi 1345:Taxon identifiers 1336: 1335: 1298:Douglas squirrel 1196:Yucatan squirrel 1132:Deppe's squirrel 1092:Allen's squirrel 1072:Abert's squirrel 1054:(Sciurus griseus) 974:(Sciurus ingrami) 966:(Sciurus ignitus) 823:(Dwarf squirrels) 652:Sciurus richmondi 517:978-2-8317-0335-0 507:Sciurus richmondi 475:978-0-8018-8221-0 416:Sciurus richmondi 206:Sciurus richmondi 198: 197: 170:Sciurus richmondi 152:S. richmondi 54: 16:Species of rodent 1616: 1567: 1560: 1553: 1525: 1518: 1504: 1503: 1491: 1490: 1478: 1477: 1465: 1464: 1452: 1451: 1439: 1438: 1426: 1425: 1413: 1412: 1400: 1399: 1387: 1386: 1385: 1372: 1371: 1370: 1340: 1291: 1290: 1289: 1288:(Pine squirrels) 1232: 1212: 1134:(Sciurus deppei) 1094:(Sciurus alleni) 1088: 1074:(Sciurus aberti) 1068: 1048: 1020: 980:Andean squirrel 928: 882: 877: 872: 826: 825: 824: 752: 745: 738: 729: 722: 721: 719: 695: 689: 688: 686: 684: 645: 608: 607: 605: 603: 588: 582: 581: 579: 577: 555: 542: 541: 535: 531: 529: 521: 501: 488: 487: 455: 449: 448: 446: 444: 439: 409: 357:Deppe's squirrel 248:Joel Asaph Allen 236:ardilla del rama 189: 172: 69: 68: 48: 43: 42: 21: 1624: 1623: 1619: 1618: 1617: 1615: 1614: 1613: 1574: 1573: 1572: 1571: 1514: 1512: 1507: 1499: 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1303: 1294: 1292: 1276: 1275: 1273: 1272: 1263: 1261: 1258:Syntheosciurus 1253: 1252: 1250: 1249: 1241: 1233: 1222: 1221: 1213: 1202: 1201: 1193: 1185: 1177: 1169: 1161: 1153: 1145: 1137: 1129: 1121: 1113: 1105: 1097: 1089: 1078: 1077: 1069: 1058: 1057: 1049: 1045:Hesperosciurus 1038: 1037: 1029: 1021: 1010: 1009: 1001: 993: 985: 977: 969: 961: 953: 945: 937: 929: 918: 916: 908: 907: 905: 904: 895: 893: 885: 884: 867: 865: 863: 862: 854: 846: 838: 829: 827: 811: 810: 808: 807: 801: 795: 789: 783: 776: 773: 772: 757: 755: 754: 747: 740: 732: 724: 723: 710:(4): 852–873. 690: 609: 583: 543: 534:|website= 516: 489: 474: 450: 388: 387: 385: 382: 376: 373: 368: 365: 361:Sciurus deppei 351:S. granatensis 332: 329: 323: 320: 303: 300: 296:Lake Nicaragua 276: 273: 255: 252: 243: 240: 196: 195: 191: 190: 182: 181: 175: 164: 163: 157: 156: 149: 147: 143: 142: 135: 131: 130: 125: 121: 120: 115: 111: 110: 105: 101: 100: 95: 91: 90: 85: 81: 80: 75: 71: 70: 57: 56: 38: 35: 34: 29: 26: 25: 15: 13: 10: 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834: 816:Microsciurus 814: 805:Sciuromorpha 707: 703: 693: 681:. Retrieved 661: 657: 651: 600:. Retrieved 596: 586: 574:. Retrieved 562: 506: 464: 453: 441:. Retrieved 427: 421: 415: 378: 375:Conservation 370: 360: 355: 350: 342: 337: 334: 325: 305: 292:Río San Juan 278: 275:Distribution 270: 265: 260: 257: 245: 235: 231: 214: 205: 204: 200: 199: 177:E. W. Nelson 169: 167: 151: 150: 138: 18: 1418:iNaturalist 1377:Wikispecies 762:(subfamily 443:16 November 254:Description 1578:Categories 1229:Urosciurus 1065:Otosciurus 803:Suborder: 384:References 347:Costa Rica 1227:Subgenus 1207:Subgenus 1083:Subgenus 1063:Subgenus 1043:Subgenus 1015:Subgenus 923:Subgenus 779:Kingdom: 764:Sciurinae 760:Sciuridae 683:11 August 602:12 August 576:11 August 536:ignored ( 526:cite book 343:hoffmanni 322:Behaviour 284:Nicaragua 266:hoffmanni 224:Nicaragua 146:Species: 128:Sciuridae 84:Kingdom: 78:Eukaryota 1531:squirrel 1488:12400196 1436:10664838 1368:Q1769330 1362:Wikidata 1329:Category 799:Rodentia 793:Mammalia 787:Chordata 785:Phylum: 781:Animalia 768:Sciurini 510:. IUCN. 484:26158608 288:Honduras 242:Taxonomy 124:Family: 118:Rodentia 108:Mammalia 98:Chordata 94:Phylum: 88:Animalia 74:Domain: 51:IUCN 3.1 1589:Sciurus 1501:3609004 1475:1001696 1410:5219665 1085:Sciurus 913:Sciurus 797:Order: 791:Class: 678:2423714 308:habitat 302:Habitat 280:Endemic 220:endemic 216:Sciurus 139:Sciurus 134:Genus: 114:Order: 104:Class: 49: ( 1449:632434 1397:313016 770:tribe) 676:  597:Flickr 514:  482:  472:  179:, 1898 1529:This 1462:20020 1431:IRMNG 1423:46013 1209:Tenes 674:JSTOR 341:ssp. 294:near 264:ssp. 1535:stub 1457:IUCN 1444:ITIS 1405:GBIF 685:2018 604:2018 578:2018 538:help 512:ISBN 480:OCLC 470:ISBN 445:2021 428:2018 367:Uses 306:Its 1483:MSW 1470:MDD 1392:EoL 712:doi 666:doi 567:doi 432:doi 310:is 282:to 222:to 1580:: 1498:: 1485:: 1472:: 1459:: 1446:: 1433:: 1420:: 1407:: 1394:: 1379:: 1364:: 766:, 708:89 706:. 702:. 672:. 662:86 660:. 656:. 612:^ 595:. 561:. 546:^ 530:: 528:}} 524:{{ 492:^ 478:. 426:. 420:. 392:^ 298:. 238:. 1566:e 1559:t 1552:v 1541:. 751:e 744:t 737:v 720:. 714:: 687:. 668:: 654:" 606:. 580:. 569:: 540:) 520:. 486:. 447:. 434:: 418:" 414:" 359:( 230:( 203:( 53:)

Index

Conservation status
Near Threatened
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Mammalia
Rodentia
Sciuridae
Sciurus
Binomial name
E. W. Nelson

tree squirrel
Sciurus
endemic
Nicaragua
red-tailed squirrel
Joel Asaph Allen
Sciurus granatensis
Endemic
Nicaragua
Honduras
Río San Juan
Lake Nicaragua
habitat
tropical and subtropical dry broadleaf forests
secondary woodlands

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