Knowledge

The Crow and the Pitcher

Source đź“ť

20: 935: 102:
Artistic use of the fable may go back to Roman times, since one of the mosaics that has survived is thought to have the story of the crow and the pitcher as its subject. Modern equivalents have included English tiles from the 18th and 19th centuries and an American mural by Justin C. Gruelle
160:; the Eurasian jay had not been scientifically observed to use tools either in the wild or in captivity before. The research also indicated that physical cognition evolved earlier in the corvid family than previously thought as the not closely related crows and ravens were already known to 147:
were able to drop stones into a pitcher of water to make the water level rise. Further research established that the birds understood that the pitcher must contain liquid rather than a solid for the trick to work, and that the objects dropped in must sink rather than float.
103:(1889–1978), created for a Connecticut school. These and the illustrations in books of fables had little scope for invention. The greatest diversity is in the type of vessel involved and over the centuries these have varied from a humble clay pot to elaborate Greek pitchers. 1581: 168:, also pass the test due to remarkable behavioral flexibility. Such tool use has been observed in great apes as well and the researchers were quoted as drawing a parallel between their findings and the fable. 300: 87:. After failing to push it over, the bird drops in pebbles one by one until the water rises to the top of the pitcher, allowing it to drink. In his telling, Avianus follows it with a 99:'s edition the proverb 'Necessity is the mother of invention' is applied to the story while an early 20th-century retelling quotes the proverb 'Where there's a will, there's a way'. 1595: 95:
of ingenuity: "This fable shows us that thoughtfulness is superior to brute strength." Other tellers of the story stress the crow's persistence. In
783: 714: 718: 484: 252: 48:
behaviour that recent scientific studies have confirmed is goal-directed and indicative of causal knowledge rather than simply being due to
64:, was included in the 2nd century fable collection of pseudo-Dositheus and later appears in the 4th–5th-century Latin verse collection by 1588: 1567: 830: 288: 219: 164:
on intelligence tests, with certain species topping the avian IQ scale and tool use is well-documented. Unrelated birds, the
1303: 122:
is the earliest to attest that the story reflects the behaviour of real-life corvids. In August 2009, a study published in
1540: 1491: 1193: 1033: 655:
Taylor, A.H., Elliffe, D.M., Hunt, G.R., Emery, N.J., Clayton, N.S., & Gray, R.D., PLoS ONE, 6(12), e26887. (2011).
1430: 1048: 457: 1405: 1308: 1128: 654: 598:"Using the Aesop's Fable Paradigm to Investigate Causal Understanding of Water Displacement by New Caledonian Crows" 955:
YouTube clip from "Inside the Animal Mind" (BBC Two Program) showing a crow solving a puzzle in order to get food.
949: 366: 1533: 1208: 981: 940: 1218: 132:, a relative of crows, do just the same as the crow in the fable when presented with a similar situation. The 1353: 1073: 1053: 1028: 1425: 1348: 1268: 1183: 1138: 19: 318: 1506: 1481: 1420: 1415: 1328: 1293: 1278: 1223: 1008: 1742: 194: 1385: 1253: 1093: 1038: 906: 1512: 1501: 1445: 1374: 1313: 1298: 1273: 1158: 1043: 1023: 354: 49: 1752: 1747: 1716: 1390: 1333: 1248: 1203: 1133: 1118: 1113: 1088: 398: 1604: 1440: 1395: 1238: 1173: 1123: 1013: 96: 1435: 1369: 1338: 1288: 1243: 1233: 1213: 1168: 1143: 1083: 1068: 1058: 731: 211: 1651: 1621: 1574: 1496: 1400: 1343: 1263: 1198: 1188: 1163: 1108: 777: 708: 820: 1757: 1671: 1410: 1258: 1153: 1148: 1103: 1098: 1063: 668: 609: 550: 379: 165: 153: 734:"Western scrub-jays do not appear to attend to functionality in Aesop's Fable experiments" 8: 1701: 1676: 1626: 1228: 1178: 1018: 974: 190: 149: 80: 68:. The history of this fable in antiquity and the Middle Ages is tracked in A.E. Wright's 672: 613: 554: 392: 1641: 882: 847: 760: 733: 691: 656: 632: 597: 573: 538: 512: 1666: 239: 235: 998: 887: 869: 826: 765: 696: 637: 578: 539:"Modifications to the Aesop's Fable Paradigm Change New Caledonian Crow Performances" 504: 438: 215: 157: 37: 253:"'Hie lert uns der meister' : Latin commentary and the German fable, 1350–1500" 1711: 1686: 1646: 877: 859: 755: 745: 686: 676: 627: 617: 568: 558: 516: 496: 428: 336: 798: 1696: 1691: 1681: 1656: 1486: 1379: 1323: 681: 622: 563: 270: 185: 124: 119: 1582:
The Taill of how this forsaid Tod maid his Confessioun to Freir Wolf Waitskaith
967: 136: 107: 954: 500: 485:"Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius)" 433: 416: 1736: 1283: 873: 61: 483:
Cheke, Lucy G.; Bird, Christopher D.; Clayton, Nicola S. (19 January 2011).
1661: 1471: 1466: 1318: 891: 769: 700: 641: 582: 508: 482: 442: 144: 60:
The fable is made the subject of a poem by the first century CE Greek Poet
657:"New Caledonian crows learn the functional properties of novel tool types" 1721: 1706: 1476: 129: 41: 24: 732:
Logan, C. J., Harvey, B. D., Schlinger, B. A., & Rensel, M. (2016).
161: 864: 750: 214:. Cambridge, MA: Harvard University Press. pp. 493–494, no. 390. 1450: 417:"Rooks Use Stones to Raise the Water Level to Reach a Floating Worm" 140: 133: 45: 1636: 1631: 353:
There is a photograph of this taken in 1936 in the collection of
65: 848:"Behavioral flexibility and problem solving in an invasive bird" 70:
Hie lert uns der meister: Latin Commentary and the Germany Fable
1560: 92: 301:"Stock Photos, Royalty-Free Images and Vectors – Shutterstock" 271:"39. De cornice et urna (1687), illustrated by Francis Barlow" 139:, also taking the fable as a starting point, found that other 990: 596:
Jelbert SA, Taylor AH, Cheke LG, Clayton NS, Gray RD (2014).
88: 537:
Logan CJ, Jelbert SA, Breen AJ, Gray RD, Taylor AH (2014).
84: 76: 595: 959: 799:"Science/Nature | Crows and jays top bird IQ scale" 156:
appear to fail. The findings have advanced knowledge of
110:
as the fourth item in his "Fables from Aesop" (2002).
818: 536: 1596:
The Taill of the Uponlandis Mous and the Burges Mous
930: 415:
Bird, Christopher David; Emery, Nathan John (2009).
83:with water at the bottom, beyond the reach of its 1734: 143:are capable of the thinking demonstrated there. 904: 390: 205: 975: 782:: CS1 maint: multiple names: authors list ( 713:: CS1 maint: multiple names: authors list ( 1589:The Taill of Schir Chanticleir and the Foxe 285:Aesop's Fables: a version for young readers 982: 968: 717:) CS1 maint: numeric names: authors list ( 55: 1568:The Morall Fabillis of Esope the Phrygian 881: 863: 825:. Oxford University Press. pp. 3–4. 759: 749: 690: 680: 631: 621: 572: 562: 432: 414: 23:The Crow and the Pitcher, illustrated by 18: 455: 113: 1735: 796: 963: 907:"Clever Apes Recreate an Aesop Fable" 845: 456:Clayton, Nicola (25 November 2011). 106:The fable was later set to music by 44:. It relates ancient observation of 1492:Out of the frying pan into the fire 1382:(also known as The Mice in Council) 1194:The Goose that Laid the Golden Eggs 1034:The Astrologer who Fell into a Well 13: 1431:The miller, his son and the donkey 1049:The Bird-catcher and the Blackbird 822:Cognition, Evolution, and Behavior 725: 14: 1769: 1406:The drowned woman and her husband 1309:The Travellers and the Plane Tree 1129:The Fisherman and the Little Fish 926: 905:Charles Q. Choi (July 11, 2007). 458:"Cognition in birds (transcript)" 948:15th–20th-century illustrations 933: 1209:The Horse that Lost its Liberty 898: 846:Logan, Corina J. (2016-05-03). 839: 812: 790: 648: 589: 530: 476: 449: 408: 384: 373: 359: 347: 1219:The Lion, the Bear and the Fox 819:Shettleworth, Sara J. (2010). 329: 311: 293: 277: 263: 245: 228: 199: 177: 1: 1354:The Young Man and the Swallow 1074:The Cock, the Dog and the Fox 1054:The Bird in Borrowed Feathers 171: 75:The story concerns a thirsty 1541:The Grasshopper and the Ants 1426:The Hawk and the Nightingale 1349:The Woodcutter and the Trees 1304:Town Mouse and Country Mouse 1269:The Old Woman and the Doctor 1184:The Frogs Who Desired a King 941:Children's literature portal 682:10.1371/journal.pone.0026887 623:10.1371/journal.pone.0092895 564:10.1371/journal.pone.0103049 403:pliny crow urn stones water. 7: 1482:The labyrinth of Versailles 1421:The Gourd and the Palm-tree 1329:Washing the Ethiopian White 1294:The Snake in the Thorn Bush 1279:The Satyr and the Traveller 1224:The Man with Two Mistresses 1009:The Ant and the Grasshopper 797:Rincon, Paul (2005-02-22). 242:). Retrieved on 2007-07-19. 10: 1774: 1386:The Blind Man and the Lame 1254:The North Wind and the Sun 1094:The Dog and Its Reflection 1039:The Bear and the Travelers 1029:The Ass in the Lion's Skin 319:"The Crow and the Pitcher" 1614: 1550: 1523: 1502:The milkmaid and her pail 1459: 1451:The Shepherd and the Lion 1446:The Scorpion and the Frog 1375:The Bear and the Gardener 1362: 1314:The Trees and the Bramble 1299:The Tortoise and the Hare 1274:The Rose and the Amaranth 1159:The Fox and the Sick Lion 1044:The Belly and the Members 1024:The Ass Carrying an Image 997: 989: 501:10.1007/s10071-011-0379-4 434:10.1016/j.cub.2009.07.033 367:"Flickr – Photo Sharing!" 355:Connecticut State Library 50:instrumental conditioning 1507:Wolf in sheep's clothing 1391:The Boy and the Filberts 1334:The Weasel and Aphrodite 1249:The Mouse and the Oyster 1204:The Horse and the Donkey 1134:The Fowler and the Snake 1119:The Farmer and the Viper 1114:The Farmer and the Stork 1089:The Deer without a Heart 1079:The Crow and the Pitcher 391:Pliny the Elder (1855). 206:Ben Edwin Perry (1965). 33:The Crow and the Pitcher 1441:The Priest and the Wolf 1396:Chanticleer and the Fox 1239:The Moon and her Mother 1174:The Fox and the Woodman 1124:The Fir and the Bramble 1014:The Ass and his Masters 152:perform similarly, but 56:The fable and its moral 1436:The Monkey and the Cat 1370:An ass eating thistles 1339:The Wolf and the Crane 1289:The Snake and the Crab 1244:The Mountain in Labour 1234:The Miser and his Gold 1214:The Lion and the Mouse 1169:The Fox and the Weasel 1144:The Fox and the Grapes 1084:The Crow and the Snake 1069:The Cock and the Jewel 1059:The Boy Who Cried Wolf 397:. H. G. Bohn. p.  212:Loeb Classical Library 40:, numbered 390 in the 28: 1622:Demetrius of Phalerum 1575:The Cock and the Jasp 1497:Still waters run deep 1401:The Dog in the Manger 1344:The Wolf and the Lamb 1264:The Old Man and Death 1199:The Honest Woodcutter 1189:The Goat and the Vine 1164:The Fox and the Stork 1109:The Eagle and the Fox 289:text available online 166:great-tailed grackles 118:The Roman naturalist 22: 1672:Laurentius Abstemius 1605:La Fontaine's Fables 1411:The Elm and the Vine 1259:The Oak and the Reed 1154:The Fox and the Mask 1149:The Fox and the Lion 1139:The Fox and the Crow 1104:The Dove and the Ant 1099:The Dog and the Wolf 1064:The Cat and the Mice 464:. ABC Radio National 208:Babrius and Phaedrus 150:New Caledonian crows 114:The fable in science 91:that emphasises the 1702:Jean de La Fontaine 1652:AdĂ©mar de Chabannes 1534:Aesop's Film Fables 1416:The Fox and the Cat 1229:The Mischievous Dog 1179:The Frog and the Ox 1019:The Ass and the Pig 673:2011PLoSO...626887T 614:2014PLoSO...992895J 555:2014PLoSO...9j3049L 1642:Dositheus Magister 865:10.7717/peerj.1975 751:10.7717/peerj.1707 154:Western scrub-jays 79:that comes upon a 29: 1730: 1729: 832:978-0-19-531984-2 427:(16): 1410–1414. 369:. 21 August 2010. 221:978-0-674-99480-5 193:, New York 1916, 158:bird intelligence 1765: 1712:Nicolas Trigault 1687:Hieronymus Osius 1677:Roger L'Estrange 1647:Alexander Neckam 984: 977: 970: 961: 960: 943: 938: 937: 936: 921: 920: 918: 917: 902: 896: 895: 885: 867: 843: 837: 836: 816: 810: 809: 807: 806: 794: 788: 787: 781: 773: 763: 753: 729: 723: 722: 712: 704: 694: 684: 652: 646: 645: 635: 625: 593: 587: 586: 576: 566: 534: 528: 527: 525: 523: 489:Animal Cognition 480: 474: 473: 471: 469: 453: 447: 446: 436: 412: 406: 405: 388: 382: 380:J. W. Pepper.com 377: 371: 370: 363: 357: 351: 345: 344: 333: 327: 326: 315: 309: 308: 305:shutterstock.com 297: 291: 281: 275: 274: 267: 261: 260: 249: 243: 232: 226: 225: 203: 197: 195:poem 272, p. 145 181: 1773: 1772: 1768: 1767: 1766: 1764: 1763: 1762: 1753:Fictional crows 1748:Greek Anthology 1733: 1732: 1731: 1726: 1697:Robert Henryson 1692:Marie de France 1682:Gabriele Faerno 1667:Kawanabe KyĹŤsai 1657:Odo of Cheriton 1610: 1552: 1546: 1525: 1519: 1455: 1380:Belling the Cat 1358: 1324:The Walnut Tree 1000: 993: 988: 939: 934: 932: 929: 924: 915: 913: 903: 899: 844: 840: 833: 817: 813: 804: 802: 795: 791: 775: 774: 730: 726: 706: 705: 653: 649: 594: 590: 535: 531: 521: 519: 481: 477: 467: 465: 454: 450: 421:Current Biology 413: 409: 394:Natural History 389: 385: 378: 374: 365: 364: 360: 352: 348: 335: 334: 330: 317: 316: 312: 299: 298: 294: 287:, Boston 1915, 283:J.H. Stickney, 282: 278: 269: 268: 264: 251: 250: 246: 233: 229: 222: 204: 200: 186:Greek Anthology 182: 178: 174: 125:Current Biology 120:Pliny the Elder 116: 58: 17: 12: 11: 5: 1771: 1761: 1760: 1755: 1750: 1745: 1743:Aesop's Fables 1728: 1727: 1725: 1724: 1719: 1714: 1709: 1704: 1699: 1694: 1689: 1684: 1679: 1674: 1669: 1664: 1659: 1654: 1649: 1644: 1639: 1634: 1629: 1624: 1618: 1616: 1612: 1611: 1609: 1608: 1601: 1600: 1599: 1592: 1585: 1578: 1564: 1556: 1554: 1548: 1547: 1545: 1544: 1537: 1529: 1527: 1521: 1520: 1518: 1517: 1513:Aesop's Fables 1509: 1504: 1499: 1494: 1489: 1484: 1479: 1474: 1469: 1463: 1461: 1457: 1456: 1454: 1453: 1448: 1443: 1438: 1433: 1428: 1423: 1418: 1413: 1408: 1403: 1398: 1393: 1388: 1383: 1377: 1372: 1366: 1364: 1360: 1359: 1357: 1356: 1351: 1346: 1341: 1336: 1331: 1326: 1321: 1316: 1311: 1306: 1301: 1296: 1291: 1286: 1281: 1276: 1271: 1266: 1261: 1256: 1251: 1246: 1241: 1236: 1231: 1226: 1221: 1216: 1211: 1206: 1201: 1196: 1191: 1186: 1181: 1176: 1171: 1166: 1161: 1156: 1151: 1146: 1141: 1136: 1131: 1126: 1121: 1116: 1111: 1106: 1101: 1096: 1091: 1086: 1081: 1076: 1071: 1066: 1061: 1056: 1051: 1046: 1041: 1036: 1031: 1026: 1021: 1016: 1011: 1005: 1003: 995: 994: 987: 986: 979: 972: 964: 958: 957: 952: 945: 944: 928: 927:External links 925: 923: 922: 897: 838: 831: 811: 789: 724: 667:(12): e26887. 647: 588: 549:(7): e103049. 529: 495:(3): 441–455. 475: 448: 407: 383: 372: 358: 346: 328: 310: 292: 276: 262: 244: 227: 220: 198: 175: 173: 170: 137:Nicola Clayton 128:revealed that 115: 112: 108:Howard J. Buss 97:Francis Barlow 57: 54: 38:Aesop's Fables 15: 9: 6: 4: 3: 2: 1770: 1759: 1756: 1754: 1751: 1749: 1746: 1744: 1741: 1740: 1738: 1723: 1720: 1718: 1715: 1713: 1710: 1708: 1705: 1703: 1700: 1698: 1695: 1693: 1690: 1688: 1685: 1683: 1680: 1678: 1675: 1673: 1670: 1668: 1665: 1663: 1660: 1658: 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1628: 1625: 1623: 1620: 1619: 1617: 1613: 1607: 1606: 1602: 1597: 1593: 1590: 1586: 1583: 1579: 1576: 1572: 1571: 1570: 1569: 1565: 1563: 1562: 1558: 1557: 1555: 1549: 1543: 1542: 1538: 1536: 1535: 1531: 1530: 1528: 1522: 1515: 1514: 1510: 1508: 1505: 1503: 1500: 1498: 1495: 1493: 1490: 1488: 1485: 1483: 1480: 1478: 1475: 1473: 1470: 1468: 1465: 1464: 1462: 1458: 1452: 1449: 1447: 1444: 1442: 1439: 1437: 1434: 1432: 1429: 1427: 1424: 1422: 1419: 1417: 1414: 1412: 1409: 1407: 1404: 1402: 1399: 1397: 1394: 1392: 1389: 1387: 1384: 1381: 1378: 1376: 1373: 1371: 1368: 1367: 1365: 1361: 1355: 1352: 1350: 1347: 1345: 1342: 1340: 1337: 1335: 1332: 1330: 1327: 1325: 1322: 1320: 1317: 1315: 1312: 1310: 1307: 1305: 1302: 1300: 1297: 1295: 1292: 1290: 1287: 1285: 1284:The Sick Kite 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1252: 1250: 1247: 1245: 1242: 1240: 1237: 1235: 1232: 1230: 1227: 1225: 1222: 1220: 1217: 1215: 1212: 1210: 1207: 1205: 1202: 1200: 1197: 1195: 1192: 1190: 1187: 1185: 1182: 1180: 1177: 1175: 1172: 1170: 1167: 1165: 1162: 1160: 1157: 1155: 1152: 1150: 1147: 1145: 1142: 1140: 1137: 1135: 1132: 1130: 1127: 1125: 1122: 1120: 1117: 1115: 1112: 1110: 1107: 1105: 1102: 1100: 1097: 1095: 1092: 1090: 1087: 1085: 1082: 1080: 1077: 1075: 1072: 1070: 1067: 1065: 1062: 1060: 1057: 1055: 1052: 1050: 1047: 1045: 1042: 1040: 1037: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1015: 1012: 1010: 1007: 1006: 1004: 1002: 996: 992: 985: 980: 978: 973: 971: 966: 965: 962: 956: 953: 951: 947: 946: 942: 931: 912: 908: 901: 893: 889: 884: 879: 875: 871: 866: 861: 857: 853: 849: 842: 834: 828: 824: 823: 815: 800: 793: 785: 779: 771: 767: 762: 757: 752: 747: 743: 739: 735: 728: 720: 716: 710: 702: 698: 693: 688: 683: 678: 674: 670: 666: 662: 658: 651: 643: 639: 634: 629: 624: 619: 615: 611: 608:(3): e92895. 607: 603: 599: 592: 584: 580: 575: 570: 565: 560: 556: 552: 548: 544: 540: 533: 518: 514: 510: 506: 502: 498: 494: 490: 486: 479: 463: 459: 452: 444: 440: 435: 430: 426: 422: 418: 411: 404: 400: 396: 395: 387: 381: 376: 368: 362: 356: 350: 342: 338: 332: 324: 320: 314: 306: 302: 296: 290: 286: 280: 272: 266: 258: 254: 248: 241: 237: 231: 223: 217: 213: 209: 202: 196: 192: 188: 187: 180: 176: 169: 167: 163: 159: 155: 151: 146: 145:Eurasian jays 142: 138: 135: 131: 127: 126: 121: 111: 109: 104: 100: 98: 94: 90: 86: 82: 78: 73: 71: 67: 63: 53: 51: 47: 43: 39: 35: 34: 26: 21: 16:Aesop's fable 1662:John Lydgate 1603: 1566: 1559: 1539: 1532: 1511: 1487:Lion's share 1472:Panchatantra 1467:Jataka tales 1319:The Two Pots 1078: 914:. Retrieved 910: 900: 855: 851: 841: 821: 814: 803:. Retrieved 792: 778:cite journal 741: 737: 727: 709:cite journal 664: 660: 650: 605: 601: 591: 546: 542: 532: 520:. Retrieved 492: 488: 478: 466:. Retrieved 462:Science Show 461: 451: 424: 420: 410: 402: 393: 386: 375: 361: 349: 340: 331: 322: 313: 304: 295: 284: 279: 265: 256: 247: 234:Avianus 27 ( 230: 207: 201: 183: 179: 162:score highly 123: 117: 105: 101: 74: 69: 59: 32: 31: 30: 1758:ATU 220-249 1722:Zhou Zuoren 1717:Robert Thom 1707:Ivan Krylov 1615:Translators 1553:adaptations 1526:adaptations 1477:Perry Index 911:LiveScience 522:15 December 468:15 December 42:Perry Index 25:Milo Winter 1737:Categories 1363:Apocryphal 950:from books 916:2007-07-19 805:2011-11-12 801:. BBC News 257:onread.com 172:References 134:ethologist 36:is one of 874:2167-8359 858:: e1975. 744:: e1707. 341:vam.ac.uk 323:vam.ac.uk 191:W.R.Paton 189:, trans. 1627:Phaedrus 892:27168984 770:26925331 701:22194779 661:PLOS ONE 642:24671252 602:PLOS ONE 583:25055009 543:PLOS ONE 509:21249510 443:19664926 1637:Avianus 1632:Babrius 1516:(album) 1460:Related 999:Aesop's 883:4860340 761:4768697 692:3237408 669:Bibcode 633:3966847 610:Bibcode 574:4108369 551:Bibcode 517:9123984 343:. 1875. 325:. 1780. 240:English 141:corvids 81:pitcher 66:Avianus 27:in 1919 1561:Ysopet 1524:Screen 1001:Fables 890:  880:  872:  829:  768:  758:  699:  689:  640:  630:  581:  571:  515:  507:  441:  337:"Tile" 218:  93:virtue 62:Bianor 46:corvid 1551:Print 991:Aesop 852:PeerJ 738:PeerJ 513:S2CID 236:Latin 130:rooks 89:moral 888:PMID 870:ISSN 827:ISBN 784:link 766:PMID 719:link 715:link 697:PMID 638:PMID 579:PMID 524:2011 505:PMID 470:2011 439:PMID 216:ISBN 184:The 85:beak 77:crow 878:PMC 860:doi 756:PMC 746:doi 687:PMC 677:doi 628:PMC 618:doi 569:PMC 559:doi 497:doi 429:doi 399:525 1739:: 909:. 886:. 876:. 868:. 854:. 850:. 780:}} 776:{{ 764:. 754:. 740:. 736:. 711:}} 707:{{ 695:. 685:. 675:. 663:. 659:. 636:. 626:. 616:. 604:. 600:. 577:. 567:. 557:. 545:. 541:. 511:. 503:. 493:14 491:. 487:. 460:. 437:. 425:19 423:. 419:. 401:. 339:. 321:. 303:. 255:. 238:, 210:. 72:. 52:. 1598:" 1594:" 1591:" 1587:" 1584:" 1580:" 1577:" 1573:" 983:e 976:t 969:v 919:. 894:. 862:: 856:4 835:. 808:. 786:) 772:. 748:: 742:4 721:) 703:. 679:: 671:: 665:6 644:. 620:: 612:: 606:9 585:. 561:: 553:: 547:9 526:. 499:: 472:. 445:. 431:: 307:. 273:. 259:. 224:.

Index


Milo Winter
Aesop's Fables
Perry Index
corvid
instrumental conditioning
Bianor
Avianus
crow
pitcher
beak
moral
virtue
Francis Barlow
Howard J. Buss
Pliny the Elder
Current Biology
rooks
ethologist
Nicola Clayton
corvids
Eurasian jays
New Caledonian crows
Western scrub-jays
bird intelligence
score highly
great-tailed grackles
Greek Anthology
W.R.Paton
poem 272, p. 145

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.

↑