Knowledge (XXG)

Holochilus chacarius

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77: 52: 33: 289:, feeding on a range of plant materials including sugarcane, rice, banana and other crops. It can make underground galleries with several entrances, but nests above ground, building circular structures of grass up to 30 cm (12 in) in diameter and often a metre or more above the ground. Litter sizes range from four to nine, and the young mature at sixty days. 244:
This marsh rat is one of the smallest in the genus. The head-and-body length is between 140 and 201 mm (5.5 and 7.9 in) and the tail length is between 148 and 183 mm (5.8 and 7.2 in). The dorsal pelage is pale reddish-brown, with long black guard hairs, the flanks are buff or
277:. It is a semi-aquatic species and is found in swamps and other areas of wetland, flooded pasture and cultivated fields, but seldom in forested habitats. In Paraguay it inhabits ground well covered in leaf litter and herbaceous plants. 297:
The Chaco marsh rat is common in some areas and less so in others. The overall population is thought to be declining, but the rat has a wide range and is present in a number of protected areas, so the
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Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
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ochre, the throat and chest are white and the rest of the underparts are buff or grey, the hairs having white bases.
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The Chaco marsh rat is native to Paraguay and the notheasten part of Argentina, being present in the provinces of
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Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531
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The Chaco marsh rat can swim and dive, and can also climb well; it is a
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Weksler, M.; Queirolo, D.; Brito, D.; Pardinas, U.; Teta, P. (2016).
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Patton, James L.; Pardiñas, Ulyses F.J.; D’Elía, Guillermo (2015).
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University of Chicago Press. pp. 329–330. 299:International Union for Conservation of Nature 438: 8: 399:Mammals of South America, Volume 2: Rodents 2039: 445: 431: 423: 50: 31: 20: 391: 389: 387: 385: 314: 324: 322: 320: 318: 7: 2276:IUCN Red List least concern species 340:IUCN Red List of Threatened Species 14: 75: 1: 2301:Taxa named by Oldfield Thomas 2317: 2296:Mammals described in 1906 464: 187: 180: 72:Scientific classification 70: 48: 39: 30: 23: 249:Distribution and habitat 2248:Paleobiology Database 2286:Mammals of Argentina 2083:Holochilus chacarius 2053:Holochilus chacarius 2026:Ekbletomys hypenemus 560:A. praeuniversitatis 333:Holochilus chacarius 212:, also known as the 209:Holochilus chacarius 191:Holochilus chacarius 25:Holochilus chacarius 2291:Mammals of Paraguay 42:Conservation status 361:}}: old-form url ( 2263: 2262: 2235:Open Tree of Life 2045:Taxon identifiers 2036: 2035: 458: 453:Species of tribe 409:978-0-226-16957-6 214:Chacoan marsh rat 205: 204: 173:H. chacarius 65: 16:Species of rodent 2308: 2256: 2255: 2243: 2242: 2230: 2229: 2217: 2216: 2204: 2203: 2191: 2190: 2178: 2177: 2165: 2164: 2152: 2151: 2139: 2138: 2126: 2125: 2113: 2112: 2100: 2099: 2087: 2086: 2085: 2072: 2071: 2070: 2040: 1644:O. longicaudatus 1068:Microakodontomys 692:D. albimaculatus 642:C. maracajuensis 521:A. galapagoensis 456: 447: 440: 433: 424: 414: 413: 393: 380: 373: 367: 366: 355: 353: 351: 326: 193: 80: 79: 59: 54: 53: 35: 21: 2316: 2315: 2311: 2310: 2309: 2307: 2306: 2305: 2266: 2265: 2264: 2259: 2251: 2246: 2238: 2233: 2225: 2222:Observation.org 2220: 2212: 2207: 2199: 2194: 2186: 2181: 2173: 2168: 2160: 2155: 2147: 2142: 2134: 2129: 2121: 2116: 2108: 2103: 2095: 2090: 2081: 2080: 2075: 2066: 2065: 2060: 2047: 2037: 2032: 2009: 1980: 1951: 1929: 1900: 1871: 1847: 1825: 1801: 1728: 1706: 1651:O. magellanicus 1564: 1552:O. sydandersoni 1437: 1413: 1361: 1321:N. maculiventer 1255: 1205: 1134: 1112: 1083: 1078:M. transitorius 1061: 1025: 969: 947: 914:H. megacephalus 883: 864:H. brasiliensis 847: 776: 719: 697: 675: 611: 587: 565: 533: 504: 460: 451: 420: 418: 417: 410: 395: 394: 383: 374: 370: 356: 349: 347: 328: 327: 316: 311: 295: 283: 251: 242: 218:Chaco marsh rat 201: 195: 189: 176: 74: 66: 55: 51: 44: 17: 12: 11: 5: 2314: 2312: 2304: 2303: 2298: 2293: 2288: 2283: 2278: 2268: 2267: 2261: 2260: 2258: 2257: 2244: 2231: 2218: 2205: 2192: 2179: 2166: 2153: 2140: 2127: 2114: 2101: 2088: 2073: 2057: 2055: 2049: 2048: 2043: 2034: 2033: 2031: 2030: 2019: 2017: 2015:Incertae sedis 2011: 2010: 2008: 2007: 2000: 1992: 1990: 1982: 1981: 1979: 1978: 1971: 1963: 1961: 1958:Transandinomys 1953: 1952: 1950: 1949: 1941: 1939: 1931: 1930: 1928: 1927: 1920: 1912: 1910: 1902: 1901: 1899: 1898: 1895:S. ucayalensis 1891: 1883: 1881: 1873: 1872: 1870: 1869: 1860: 1858: 1849: 1848: 1846: 1845: 1837: 1835: 1827: 1826: 1824: 1823: 1814: 1812: 1803: 1802: 1800: 1799: 1792: 1785: 1777: 1770: 1763: 1756: 1748: 1740: 1738: 1730: 1729: 1727: 1726: 1718: 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910: 903: 895: 893: 885: 884: 882: 881: 874: 867: 859: 857: 849: 848: 846: 845: 838: 831: 824: 817: 810: 803: 796: 788: 786: 778: 777: 775: 774: 767: 760: 757:E. macconnelli 753: 746: 739: 731: 729: 721: 720: 718: 717: 709: 707: 699: 698: 696: 695: 687: 685: 677: 676: 674: 673: 666: 659: 652: 645: 638: 631: 623: 621: 613: 612: 610: 609: 600: 598: 589: 588: 586: 585: 577: 575: 567: 566: 564: 563: 555: 546: 544: 535: 534: 532: 531: 528:A. xanthaeolus 524: 516: 514: 506: 505: 503: 502: 496: 490: 484: 478: 472: 465: 462: 461: 452: 450: 449: 442: 435: 427: 416: 415: 408: 381: 368: 313: 312: 310: 307: 294: 291: 282: 279: 250: 247: 241: 238: 228:in the family 203: 202: 196: 185: 184: 178: 177: 170: 168: 164: 163: 156: 152: 151: 146: 142: 141: 136: 132: 131: 126: 122: 121: 116: 112: 111: 106: 102: 101: 96: 92: 91: 86: 82: 81: 68: 67: 49: 46: 45: 40: 37: 36: 28: 27: 15: 13: 10: 9: 6: 4: 3: 2: 2313: 2302: 2299: 2297: 2294: 2292: 2289: 2287: 2284: 2282: 2279: 2277: 2274: 2273: 2271: 2254: 2249: 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1769: 1768: 1767:O. dimidiatus 1764: 1762: 1761: 1757: 1755: 1754: 1753:O. antillarum 1749: 1747: 1746: 1745:O. albiventer 1742: 1741: 1739: 1737: 1736: 1731: 1725: 1724: 1720: 1719: 1717: 1715: 1714: 1709: 1703: 1702: 1697: 1695: 1694: 1690: 1688: 1687: 1686:O. stramineus 1683: 1681: 1680: 1676: 1674: 1673: 1669: 1667: 1666: 1662: 1660: 1659: 1655: 1653: 1652: 1648: 1646: 1645: 1641: 1639: 1638: 1634: 1632: 1631: 1630:O. fulvescens 1627: 1625: 1624: 1620: 1618: 1617: 1616:O. flavescens 1613: 1611: 1610: 1609:O. destructor 1606: 1604: 1603: 1602:O. chacoensis 1599: 1597: 1596: 1592: 1590: 1589: 1585: 1583: 1582: 1578: 1577: 1575: 1573: 1572: 1567: 1561: 1560: 1559:O. trinitatis 1556: 1554: 1553: 1549: 1547: 1546: 1542: 1540: 1539: 1535: 1533: 1532: 1528: 1526: 1525: 1521: 1519: 1518: 1514: 1512: 1511: 1507: 1505: 1504: 1500: 1498: 1497: 1493: 1491: 1490: 1486: 1484: 1483: 1479: 1477: 1476: 1472: 1470: 1469: 1468:O. catherinae 1465: 1463: 1462: 1458: 1456: 1455: 1454:O. auyantepui 1451: 1450: 1448: 1446: 1445: 1440: 1434: 1433: 1428: 1427: 1425: 1423: 1422: 1416: 1410: 1409: 1405: 1403: 1402: 1398: 1396: 1395: 1391: 1389: 1388: 1387:N. indefessus 1383: 1381: 1380: 1375: 1374: 1372: 1370: 1369: 1364: 1358: 1357: 1353: 1351: 1350: 1349:N. pectoralis 1346: 1344: 1343: 1339: 1337: 1336: 1332: 1330: 1329: 1328:N. meridensis 1325: 1323: 1322: 1318: 1316: 1315: 1311: 1309: 1308: 1304: 1302: 1301: 1297: 1295: 1294: 1290: 1288: 1287: 1283: 1281: 1280: 1279:N. auriventer 1276: 1274: 1273: 1269: 1268: 1266: 1264: 1263: 1258: 1252: 1251: 1247: 1245: 1244: 1240: 1238: 1237: 1233: 1231: 1230: 1226: 1224: 1223: 1219: 1218: 1216: 1214: 1213: 1208: 1202: 1201: 1197: 1195: 1194: 1190: 1188: 1187: 1183: 1181: 1180: 1176: 1174: 1173: 1169: 1167: 1166: 1162: 1160: 1159: 1155: 1153: 1152: 1148: 1147: 1145: 1143: 1142: 1137: 1131: 1130: 1126: 1125: 1123: 1121: 1120: 1115: 1109: 1108: 1104: 1102: 1101: 1100:M. altissimus 1097: 1096: 1094: 1092: 1091: 1086: 1080: 1079: 1075: 1074: 1072: 1070: 1069: 1064: 1058: 1057: 1053: 1051: 1050: 1049:M. robustulus 1046: 1044: 1043: 1039: 1038: 1036: 1034: 1033: 1028: 1022: 1021: 1016: 1014: 1013: 1008: 1006: 1005: 1000: 998: 997: 996:M. curazensis 992: 990: 989: 984: 983: 981: 979: 978: 972: 966: 965: 961: 960: 958: 956: 955: 950: 944: 943: 939: 937: 936: 932: 930: 929: 928:H. perenensis 925: 923: 922: 918: 916: 915: 911: 909: 908: 904: 902: 901: 897: 896: 894: 892: 891: 886: 880: 879: 875: 873: 872: 868: 866: 865: 861: 860: 858: 856: 855: 850: 844: 843: 842:H. saturatior 839: 837: 836: 832: 830: 829: 825: 823: 822: 818: 816: 815: 811: 809: 808: 804: 802: 801: 797: 795: 794: 790: 789: 787: 785: 784: 779: 773: 772: 768: 766: 765: 761: 759: 758: 754: 752: 751: 747: 745: 744: 740: 738: 737: 733: 732: 730: 728: 727: 722: 716: 715: 711: 710: 708: 706: 705: 700: 694: 693: 689: 688: 686: 684: 683: 678: 672: 671: 667: 665: 664: 660: 658: 657: 653: 651: 650: 646: 644: 643: 639: 637: 636: 632: 630: 629: 625: 624: 622: 620: 619: 614: 608: 607: 602: 601: 599: 597: 596: 590: 584: 583: 579: 578: 576: 574: 573: 572:Amphinectomys 568: 562: 561: 556: 554: 553: 548: 547: 545: 543: 542: 536: 530: 529: 525: 523: 522: 518: 517: 515: 513: 512: 507: 501: 500:Sigmodontinae 497: 495: 491: 489: 485: 483: 479: 477: 473: 471: 467: 466: 463: 459: 448: 443: 441: 436: 434: 429: 428: 425: 421: 411: 405: 401: 400: 392: 390: 388: 386: 382: 378: 372: 369: 364: 360: 346: 342: 341: 336: 334: 325: 323: 321: 319: 315: 308: 306: 304: 303:least concern 300: 292: 290: 288: 280: 278: 276: 272: 268: 264: 260: 256: 248: 246: 239: 237: 235: 231: 227: 223: 219: 215: 211: 210: 199: 194: 192: 186: 183: 182:Binomial name 179: 175: 174: 169: 166: 165: 162: 161: 157: 154: 153: 150: 149:Sigmodontinae 147: 144: 143: 140: 137: 134: 133: 130: 127: 124: 123: 120: 117: 114: 113: 110: 107: 104: 103: 100: 97: 94: 93: 90: 87: 84: 83: 78: 73: 69: 63: 58: 57:Least Concern 47: 43: 38: 34: 29: 26: 22: 19: 2052: 2023: 2002: 1995: 1987:Zygodontomys 1985: 1973: 1968:T. bolivaris 1966: 1956: 1944: 1934: 1924:S. aphrastus 1922: 1915: 1905: 1893: 1886: 1876: 1864: 1853: 1840: 1830: 1818: 1807: 1794: 1788: 1780: 1772: 1765: 1758: 1751: 1743: 1733: 1723:O. balneator 1721: 1711: 1699: 1691: 1684: 1679:O. rupestris 1677: 1670: 1663: 1656: 1649: 1642: 1637:O. griseolus 1635: 1628: 1621: 1614: 1607: 1600: 1593: 1586: 1579: 1571:Oligoryzomys 1569: 1557: 1550: 1543: 1538:O. speciosus 1536: 1529: 1522: 1515: 1508: 1501: 1494: 1489:O. flavicans 1487: 1480: 1473: 1466: 1459: 1452: 1442: 1432:N. vespuccii 1430: 1419: 1406: 1399: 1392: 1385: 1377: 1366: 1356:N. pirrensis 1354: 1347: 1340: 1333: 1326: 1319: 1312: 1305: 1298: 1291: 1286:N. caracolus 1284: 1277: 1270: 1260: 1250:N. squamipes 1248: 1241: 1234: 1227: 1220: 1210: 1198: 1191: 1184: 1177: 1170: 1163: 1156: 1149: 1139: 1127: 1117: 1105: 1098: 1090:Microryzomys 1088: 1076: 1066: 1054: 1047: 1040: 1030: 1018: 1012:M. georginae 1010: 1002: 994: 986: 975: 962: 952: 940: 933: 926: 919: 912: 905: 898: 888: 876: 871:H. chacarius 870: 869: 862: 852: 840: 835:H. rostratus 833: 826: 821:H. melanotis 819: 812: 805: 798: 791: 781: 769: 762: 755: 748: 741: 734: 726:Euryoryzomys 724: 712: 704:Eremoryzomys 702: 690: 680: 668: 663:C. subflavus 661: 654: 647: 640: 635:C. langguthi 633: 626: 616: 604: 595:Carletonomys 593: 580: 570: 558: 550: 541:Agathaeromys 539: 526: 519: 509: 419: 398: 376: 371: 348:. Retrieved 344: 338: 332: 296: 284: 252: 243: 217: 213: 208: 207: 206: 190: 188: 172: 171: 159: 24: 18: 2131:iNaturalist 2077:Wikispecies 2004:Z. brunneus 1888:S. melanops 1713:Oreoryzomys 1672:O. nigripes 1658:O. microtis 1588:O. arenalis 1545:O. superans 1510:O. phaeotis 1503:O. paricola 1482:O. concolor 1368:Nesoryzomys 1342:N. nimbosus 1236:N. palmipes 1222:N. apicalis 1200:N. tenuipes 1193:N. spinosus 1129:M. hammondi 988:M. audreyae 942:H. yunganus 907:H. laticeps 878:H. sciureus 828:H. rhabdops 814:H. intectus 807:H. fuscatus 800:H. chapmani 783:Handleyomys 771:E. russatus 736:E. emmonsae 682:Drymoreomys 649:C. marinhus 552:A. donovani 498:Subfamily: 457:(rice rats) 455:Oryzomyini 240:Description 224:species of 222:semiaquatic 145:Subfamily: 2281:Holochilus 2270:Categories 1946:S. angouya 1936:Sooretamys 1842:P. simplex 1820:P. nivalis 1809:Pennatomys 1782:O. nelsoni 1774:O. gorgasi 1693:O. vegetus 1665:O. moojeni 1623:O. fornesi 1595:O. brendae 1581:O. andinus 1531:O. rutilus 1524:O. roberti 1496:O. mamorae 1475:O. cleberi 1461:O. bicolor 1421:Noronhomys 1408:N. swarthi 1379:N. darwini 1314:N. levipes 1262:Nephelomys 1229:N. grandis 1179:N. paracou 1172:N. musseri 1165:N. minutus 1158:N. guianae 1151:N. dubosti 1107:M. minutus 1056:M. zunigae 964:L. molitor 921:H. oniscus 900:H. acritus 854:Holochilus 793:H. alfaroi 764:E. nitidus 750:E. legatus 628:C. goytaca 618:Cerradomys 582:A. savamis 511:Aegialomys 494:Cricetidae 309:References 234:Gran Chaco 230:Cricetidae 160:Holochilus 139:Cricetidae 1917:S. alfari 1760:O. couesi 1701:O. victus 1335:N. moerex 1307:N. keaysi 1300:N. devius 1293:N. childi 1243:N. rattus 1186:N. pictus 1032:Melanomys 1020:M. luciae 977:Megalomys 890:Hylaeamys 714:E. polius 656:C. scotti 606:C. cailoi 468:Kingdom: 359:cite iucn 287:herbivore 167:Species: 95:Kingdom: 89:Eukaryota 2201:13000667 2149:10228943 2062:Wikidata 1878:Scolomys 1855:Reigomys 1735:Oryzomys 1212:Nectomys 1141:Neacomys 1119:Mindomys 954:Lundomys 935:H. tatei 743:E. lamia 670:C. vivoi 492:Family: 488:Rodentia 482:Mammalia 476:Chordata 474:Phylum: 470:Animalia 135:Family: 129:Rodentia 119:Mammalia 109:Chordata 105:Phylum: 99:Animalia 85:Domain: 62:IUCN 3.1 2188:1002548 2123:5219711 2110:1179907 2068:Q306406 1444:Oecomys 486:Order: 480:Class: 350:3 April 281:Ecology 275:Córdoba 267:Formosa 263:Tucumán 220:, is a 155:Genus: 125:Order: 115:Class: 60: ( 2253:380013 2240:621034 2214:218787 2162:633129 1517:O. rex 406:  293:Status 226:rodent 200:, 1906 198:Thomas 2227:83978 2175:10218 2144:IRMNG 2136:45008 2097:3M8PQ 271:Chaco 259:Jujuy 255:Salta 2209:NCBI 2170:IUCN 2157:ITIS 2118:GBIF 404:ISBN 363:help 352:2018 345:2016 273:and 2196:MSW 2183:MDD 2105:EoL 2092:CoL 305:". 216:or 2272:: 2250:: 2237:: 2224:: 2211:: 2198:: 2185:: 2172:: 2159:: 2146:: 2133:: 2120:: 2107:: 2094:: 2079:: 2064:: 384:^ 377:in 357:{{ 343:. 337:. 317:^ 269:, 265:, 261:, 257:, 236:. 2028:" 2024:" 2022:† 1863:† 1852:† 1817:† 1806:† 1779:† 1750:† 1698:† 1429:† 1418:† 1384:† 1376:† 1017:† 1009:† 1001:† 993:† 985:† 974:† 603:† 592:† 557:† 549:† 538:† 446:e 439:t 432:v 412:. 365:) 354:. 335:" 331:" 64:)

Index


Conservation status
Least Concern
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Mammalia
Rodentia
Cricetidae
Sigmodontinae
Holochilus
Binomial name
Thomas
semiaquatic
rodent
Cricetidae
Gran Chaco
Salta
Jujuy
Tucumán
Formosa
Chaco
Córdoba
herbivore
International Union for Conservation of Nature
least concern

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