1491:
167:
aside -- as if uninterested -- when a staff member walked by.) This forced zookeepers to go "undercover", posing as tourists to learn Ken Allen's escape route, but the ape was not fooled and continued to evolve his tactics. In April 1986, he escaped when the moat inside his enclosure was being repaired.
127:
Ken Allen was born in captivity at the San Diego Zoo in 1971. In 1985, he gained worldwide attention for a series of escapes from his enclosure, which had been thought to be escape-proof. During some of his escapes, his female companions joined him. Ken Allen's ability to outwit his keepers, as well
166:
Zookeepers were initially stumped over how he had managed to escape. Staff began surveillance of his enclosure to try to catch him in the act, only to find that he seemed to be aware that he was being watched. (Prior to the August 13 escape, he was seen with a crowbar in his enclosure but tossed it
162:
In 1985, during his escapes on June 13, July 29, and August 13, Ken Allen peacefully strolled around the zoo looking at other animals. Ken never acted violently or aggressively towards zoo patrons or animals. Except for another orangutan called Otis, whom he absolutely despised. During his second
170:
After each escape, Ken Allen would be placed in solitary confinement until zoo staff figured out ways to prevent future escapes. Yet Ken Allen persisted, despite consequences -- including encountering electrical fencing on an escape attempt in 1986. Moreover, other orangutans began following Ken
1214:
595:
1534:
159:
In his book about animal resistance, author Jason Hribal writes that Ken Allen "would unscrew every nut that he could find and remove the bolts" in his zoo nursery.
256:
120:. He became one of the most popular animals in the history of the zoo because of his many successful escapes from his enclosures. He was nicknamed "The Hairy
1200:
626:
503:
163:
escape he was caught stoning Otis and he had to be led back to his enclosure. This hatred is what led him to be put in solitary confinement.
1524:
1539:
36:
530:
458:
375:
1437:
1207:
329:
436:
Jefferson, David; Callahan, Bill (August 17, 1985). "Ape's latest escape try foiled: Zoo discovers method to orangutan madness".
222:
562:
Steinberg, James (December 2, 2000). "Orangutan Ken Allen euthanized at S.D. Zoo: Beloved ape, 29, was renowned escape artist".
1356:
1223:
1529:
22:
1281:
795:
835:
1519:
1514:
1166:
140:(most reading "Free Ken Allen"). A song about his escapades, "The Ballad of Ken Allen", was written by David Gersten.
178:
to find every finger-, toe- and foothold within the enclosure, spending $ 40,000 to eliminate the identified holds.
1161:
663:
653:
619:
1242:
658:
575:
Wilkens, John (December 26, 1988). "Q: WHAT'S RED AND ESCAPES NINE TIMES? A: Ken Allen and the Zoo orangutans".
1271:
1432:
1286:
648:
198:
1544:
1266:
1136:
313:
1331:
988:
755:
612:
389:
553:
Scarr, Lew (August 14, 1985). "Orangutan throws a crowbar into Zoo's planning". pp. B-1:3, 5, 6.
390:"Aping an Escape Artist : 2 Orangutans Follow Mate's Footsteps and Go 'Awall' From Zoo Enclosure"
1450:
875:
735:
1063:
1043:
958:
943:
900:
890:
885:
855:
790:
720:
1261:
1176:
1121:
918:
880:
770:
745:
715:
369:
290:
1412:
1361:
1296:
1181:
1171:
1156:
1146:
1141:
1131:
1106:
1058:
1023:
895:
870:
840:
820:
805:
780:
750:
725:
526:
499:
454:
321:
230:
113:
48:
412:
1053:
1003:
938:
765:
760:
522:
515:
1490:
1306:
1276:
1116:
1078:
1073:
1068:
1038:
1013:
1008:
983:
963:
953:
775:
710:
144:
93:
1469:
451:
The Parrot's Lament: And Other True Tales of Animal
Intrigue, Intelligence, and Ingenuity
1495:
1291:
1083:
1048:
1028:
998:
973:
948:
933:
830:
825:
730:
687:
137:
1508:
1476:
1237:
1018:
845:
182:
175:
121:
117:
67:
850:
257:"The missing lynx and five other animal escapees including Ken Allen the Orangutan"
35:
1192:
1323:
1301:
810:
785:
1463:
1457:
1399:
800:
702:
692:
282:
148:
89:
325:
234:
1381:
1371:
1351:
1098:
1088:
928:
865:
128:
as his docile demeanor during his escapes, resulted in fame. He had his own
1407:
604:
129:
1443:
1346:
1341:
1336:
1126:
1111:
968:
910:
599:
580:
567:
554:
545:
486:
473:
441:
420:
133:
43:
496:
Among the Great Apes: Adventures on the Trail of Our
Closest Relatives
1366:
993:
860:
815:
740:
674:
540:
Scarr, Lew (August 4, 1985). "Ken-Allen, the
Houdini of orangutans".
1033:
978:
923:
682:
362:
Fear of the Animal Planet: The Hidden
History of Animal Resistance
468:
Lubrano, Gina (July 31, 1985). "A stool pigeon for orangutan?".
1196:
608:
636:
517:
Life at the zoo: behind the scenes with the animal doctors
1425:
1398:
1380:
1322:
1315:
1254:
1230:
1097:
909:
701:
673:
112:(February 13, 1971 – December 1, 2000) was a
99:
85:
73:
54:
42:
514:
283:"Absolute Mad Lads - Ken Allen, The Hairy Houdini"
1247:San Diego Zoo Institute for Conservation Research
481:Osment, Noel (June 19, 1985). "Holiday for Ken".
185:" in 2011 listed Ken Allen's story as one of the
413:"Popular San Diego Zoo orangutan dies of cancer"
314:"San Diego Zoo's Beloved Escape-Artist Ape Dies"
1208:
620:
171:Allen's lead, escaping from their enclosure.
8:
28:
1319:
1215:
1201:
1193:
627:
613:
605:
151:on December 1, 2000. He was 29 years old.
34:
27:
174:In 1987, zoo officials hired experienced
1535:Individual primates in the United States
210:
103:Escaping from his enclosures repeatedly
521:. Columbia University Press. pp.
367:
332:from the original on December 19, 2010
293:from the original on December 13, 2021
216:
214:
16:Bornean orangutan at the San Diego Zoo
7:
355:
353:
351:
349:
347:
281:dankula, Count (February 20, 2020).
255:Middleton, Duncan (August 7, 2016).
221:Silver, Alexandra (June 24, 2013).
360:Hribal, Jason (January 11, 2001).
14:
1489:
583: SDU0000020070630dkcq00i8d.
570: sdu0000020010813dwc201cfi.
557: SDU0000020070702dh8e009de.
548: SDU0000020070702dh840Obbt.
489: SDU0000020070702dh6j00h64.
476: SDU0000020070702dh7v00b0n.
444: SDU0000020070702dh8h00907.
312:PERRY, TONY (December 2, 2000).
21:For people named Ken Allen, see
1224:San Diego Zoo Wildlife Alliance
566:. pp. B-1:1, 2, 7, B-3:2.
423: aprs000020010804dwc105h0e
498:. HarperCollins. p. 305.
23:Kenneth Allen (disambiguation)
1:
796:Kasakela chimpanzee community
513:Robinson, Phillip T. (2004).
374:: CS1 maint: date and year (
1438:Panama–California Exposition
836:Mitumba chimpanzee community
1525:Animal deaths by euthanasia
577:The San Diego Union-Tribune
564:The San Diego Union-Tribune
542:The San Diego Union-Tribune
483:The San Diego Union-Tribune
470:The San Diego Union-Tribune
438:The San Diego Union-Tribune
364:(ebook ed.). AK Press.
1561:
1540:Missing or escaped animals
664:List of fictional primates
654:List of individual monkeys
20:
1486:
1243:San Diego Zoo Safari Park
659:Monkeys and apes in space
643:
132:, and was the subject of
33:
1272:Joseph Cheesman Thompson
1287:Laurence Monroe Klauber
649:List of individual apes
494:Raffaele, Paul (2011).
449:Linden, Eugene (2000).
199:List of individual apes
187:Top Eleven Zoo Escapes
1530:Individual orangutans
598:about Ken Allen from
1451:Zebra in the Kitchen
419:. December 1, 2000.
223:"Top 11 Zoo Escapes"
143:Ken Allen developed
944:Charles the Gorilla
86:Cause of death
30:
1520:2000 animal deaths
1515:1971 animal births
1496:Animals portal
1262:Harry M. Wegeforth
919:Alfred the Gorilla
635:Notable non-human
1502:
1501:
1421:
1420:
1297:Charles Schroeder
1190:
1189:
505:978-0-06-167184-5
394:Los Angeles Times
318:Los Angeles Times
114:Bornean orangutan
107:
106:
65:February 13, 1971
49:Bornean orangutan
1552:
1494:
1493:
1426:Related articles
1320:
1217:
1210:
1203:
1194:
1167:Nonja (Malaysia)
629:
622:
615:
606:
584:
571:
558:
549:
536:
520:
509:
490:
485:. pp. C-2.
477:
472:. pp. B-5.
464:
445:
432:
430:
428:
417:San Diego Source
398:
397:
386:
380:
379:
373:
365:
357:
342:
341:
339:
337:
309:
303:
302:
300:
298:
278:
272:
271:
269:
267:
252:
246:
245:
243:
241:
218:
80:
77:December 1, 2000
64:
62:
38:
31:
1560:
1559:
1555:
1554:
1553:
1551:
1550:
1549:
1505:
1504:
1503:
1498:
1488:
1482:
1417:
1394:
1376:
1311:
1307:Kurt Benirschke
1277:Louis John Gill
1250:
1226:
1221:
1191:
1186:
1162:Nonja (Austria)
1093:
964:Guy the Gorilla
905:
697:
669:
668:
639:
633:
592:
587:
579:. p. B.2.
574:
561:
552:
544:. p. B-1.
539:
533:
512:
506:
493:
480:
467:
461:
448:
440:. p. A-1.
435:
426:
424:
411:
407:
405:Further reading
402:
401:
388:
387:
383:
366:
359:
358:
345:
335:
333:
311:
310:
306:
296:
294:
280:
279:
275:
265:
263:
254:
253:
249:
239:
237:
220:
219:
212:
207:
195:
157:
145:prostate cancer
138:bumper stickers
94:b-cell lymphoma
78:
66:
60:
58:
26:
17:
12:
11:
5:
1558:
1556:
1548:
1547:
1542:
1537:
1532:
1527:
1522:
1517:
1507:
1506:
1500:
1499:
1487:
1484:
1483:
1481:
1480:
1473:
1466:
1461:
1454:
1447:
1440:
1435:
1429:
1427:
1423:
1422:
1419:
1418:
1416:
1415:
1410:
1404:
1402:
1396:
1395:
1393:
1392:
1386:
1384:
1378:
1377:
1375:
1374:
1369:
1364:
1359:
1354:
1349:
1344:
1339:
1334:
1328:
1326:
1317:
1313:
1312:
1310:
1309:
1304:
1299:
1294:
1292:Belle Benchley
1289:
1284:
1279:
1274:
1269:
1264:
1258:
1256:
1252:
1251:
1249:
1248:
1245:
1240:
1234:
1232:
1228:
1227:
1222:
1220:
1219:
1212:
1205:
1197:
1188:
1187:
1185:
1184:
1179:
1174:
1169:
1164:
1159:
1154:
1149:
1144:
1139:
1134:
1129:
1124:
1119:
1114:
1109:
1103:
1101:
1095:
1094:
1092:
1091:
1086:
1081:
1076:
1071:
1066:
1061:
1056:
1051:
1046:
1041:
1036:
1031:
1026:
1021:
1016:
1011:
1006:
1001:
996:
991:
986:
981:
976:
971:
966:
961:
956:
951:
946:
941:
936:
931:
926:
921:
915:
913:
907:
906:
904:
903:
898:
893:
888:
883:
878:
873:
868:
863:
858:
853:
848:
843:
838:
833:
831:Marquis Chimps
828:
823:
818:
813:
808:
803:
798:
793:
788:
783:
778:
773:
768:
763:
758:
753:
748:
743:
738:
733:
731:Pierre Brassau
728:
723:
718:
713:
707:
705:
699:
698:
696:
695:
690:
685:
679:
677:
671:
670:
667:
666:
661:
656:
651:
645:
644:
641:
640:
634:
632:
631:
624:
617:
609:
603:
602:
591:
590:External links
588:
586:
585:
572:
559:
550:
537:
531:
510:
504:
491:
478:
465:
459:
446:
433:
408:
406:
403:
400:
399:
381:
343:
304:
273:
247:
209:
208:
206:
203:
202:
201:
194:
191:
156:
153:
105:
104:
101:
100:Known for
97:
96:
92:issued due to
87:
83:
82:
81:(aged 29)
75:
71:
70:
56:
52:
51:
46:
40:
39:
15:
13:
10:
9:
6:
4:
3:
2:
1557:
1546:
1545:San Diego Zoo
1543:
1541:
1538:
1536:
1533:
1531:
1528:
1526:
1523:
1521:
1518:
1516:
1513:
1512:
1510:
1497:
1492:
1485:
1479:
1478:
1477:Me at the zoo
1474:
1472:
1471:
1467:
1465:
1462:
1460:
1459:
1455:
1453:
1452:
1448:
1446:
1445:
1441:
1439:
1436:
1434:
1431:
1430:
1428:
1424:
1414:
1411:
1409:
1406:
1405:
1403:
1401:
1397:
1391:
1388:
1387:
1385:
1383:
1379:
1373:
1370:
1368:
1365:
1363:
1360:
1358:
1355:
1353:
1350:
1348:
1345:
1343:
1340:
1338:
1335:
1333:
1330:
1329:
1327:
1325:
1321:
1318:
1314:
1308:
1305:
1303:
1300:
1298:
1295:
1293:
1290:
1288:
1285:
1283:
1280:
1278:
1275:
1273:
1270:
1268:
1265:
1263:
1260:
1259:
1257:
1253:
1246:
1244:
1241:
1239:
1238:San Diego Zoo
1236:
1235:
1233:
1229:
1225:
1218:
1213:
1211:
1206:
1204:
1199:
1198:
1195:
1183:
1180:
1178:
1175:
1173:
1170:
1168:
1165:
1163:
1160:
1158:
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1138:
1135:
1133:
1130:
1128:
1125:
1123:
1120:
1118:
1115:
1113:
1110:
1108:
1105:
1104:
1102:
1100:
1096:
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:
1005:
1002:
1000:
997:
995:
992:
990:
987:
985:
982:
980:
977:
975:
972:
970:
967:
965:
962:
960:
957:
955:
952:
950:
947:
945:
942:
940:
937:
935:
932:
930:
927:
925:
922:
920:
917:
916:
914:
912:
908:
902:
899:
897:
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
852:
849:
847:
846:J. Fred Muggs
844:
842:
839:
837:
834:
832:
829:
827:
824:
822:
819:
817:
814:
812:
809:
807:
804:
802:
799:
797:
794:
792:
789:
787:
784:
782:
779:
777:
774:
772:
769:
767:
764:
762:
759:
757:
754:
752:
749:
747:
744:
742:
739:
737:
734:
732:
729:
727:
724:
722:
719:
717:
714:
712:
709:
708:
706:
704:
700:
694:
691:
689:
686:
684:
681:
680:
678:
676:
672:
665:
662:
660:
657:
655:
652:
650:
647:
646:
642:
638:
630:
625:
623:
618:
616:
611:
610:
607:
601:
597:
596:TV news clips
594:
593:
589:
582:
578:
573:
569:
565:
560:
556:
551:
547:
543:
538:
534:
532:0-231-13248-4
528:
524:
519:
518:
511:
507:
501:
497:
492:
488:
484:
479:
475:
471:
466:
462:
460:0-452-28068-0
456:
452:
447:
443:
439:
434:
422:
418:
414:
410:
409:
404:
395:
391:
385:
382:
377:
371:
363:
356:
354:
352:
350:
348:
344:
331:
327:
323:
319:
315:
308:
305:
292:
288:
284:
277:
274:
262:
258:
251:
248:
236:
232:
228:
224:
217:
215:
211:
204:
200:
197:
196:
192:
190:
188:
184:
179:
177:
176:rock climbers
172:
168:
164:
160:
154:
152:
150:
146:
141:
139:
135:
131:
125:
123:
119:
118:San Diego Zoo
115:
111:
110:Kenneth Allen
102:
98:
95:
91:
88:
84:
76:
72:
69:
68:San Diego Zoo
57:
53:
50:
47:
45:
41:
37:
32:
24:
19:
1475:
1470:Wasps' Nests
1468:
1456:
1449:
1442:
1389:
1324:Giant pandas
1151:
851:Nim Chimpsky
576:
563:
541:
516:
495:
482:
469:
450:
437:
425:. Retrieved
416:
393:
384:
361:
336:December 25,
334:. Retrieved
317:
307:
295:. Retrieved
286:
276:
266:December 25,
264:. Retrieved
261:BBC Newsbeat
260:
250:
240:December 25,
238:. Retrieved
226:
186:
180:
173:
169:
165:
161:
158:
142:
126:
109:
108:
79:(2000-12-01)
18:
1433:Balboa Park
1302:Joan Embery
989:John Daniel
826:Macaco TiĂŁo
811:Little Mama
786:Jo Mendi II
703:Chimpanzees
453:. Penguin.
1509:Categories
1464:Frozen zoo
1458:Pet Sounds
1400:Rhinoceros
1382:Orangutans
1282:Frank Buck
1267:Fred Baker
1231:Facilities
1137:Joe Martin
1099:Orangutans
801:Kokomo Jr.
693:Panbanisha
205:References
149:euthanized
90:Euthanasia
61:1971-02-13
1390:Ken Allen
1372:Xiao Liwu
1362:Zhen Zhen
1352:Mei Sheng
1255:Personnel
1152:Ken Allen
1089:Willie B.
1064:Snowflake
1044:Pattycake
959:Gargantua
929:Binti Jua
866:Panpanzee
523:64–66, 76
370:cite book
326:0458-3035
235:0040-781X
29:Ken Allen
1408:Angalifu
911:Gorillas
756:Gregoire
330:Archived
297:April 5,
291:Archived
193:See also
147:and was
134:T-shirts
130:fan club
1444:Zoorama
1347:Hua Mei
1342:Gao Gao
1337:Bai Yun
1332:Shi Shi
1316:Animals
1127:Chantek
1112:Ah Meng
1059:Shabani
1024:Michael
969:Harambe
876:Santino
736:Bubbles
675:Bonobos
600:KFMB-TV
581:Factiva
568:Factiva
555:Factiva
546:Factiva
487:Factiva
474:Factiva
442:Factiva
427:May 30,
421:Factiva
287:YouTube
155:Escapes
122:Houdini
116:at the
44:Species
1367:Yun Zi
1357:Su Lin
1177:Sandra
1122:Bonnie
1054:Samson
1004:Kokomo
994:Jumoke
939:Bokito
901:Washoe
891:Travis
886:Sultan
861:Pankun
856:Oliver
816:Loulis
791:Julius
741:Cheeta
721:Azalea
529:
502:
457:
324:
233:
1182:Tonda
1157:Manis
1147:Karta
1142:Karen
1132:Jenny
1107:Abang
1079:Trudy
1074:Titus
1069:Timmy
1039:Ozzie
1034:Ndume
1014:Massa
1009:Louis
984:Jenny
979:Jambo
954:Fatou
924:Babec
881:Sarah
776:Jimmy
771:Jiggs
746:Congo
726:Bonzo
716:Ayumu
688:Nyota
683:Kanzi
1413:Nola
1084:Toto
1049:Pogo
1029:Nico
999:Koko
974:Ivan
949:Colo
934:Bobo
896:Viki
871:Sami
841:Moja
821:Lucy
806:Lana
781:Jinx
751:Enos
637:apes
527:ISBN
500:ISBN
455:ISBN
429:2011
376:link
338:2018
322:ISSN
299:2021
268:2018
242:2018
231:ISSN
227:Time
183:Time
136:and
74:Died
55:Born
1172:Sam
1117:Azy
1019:Max
766:Ham
761:Gua
124:".
1511::
711:Ai
525:.
415:.
392:.
372:}}
368:{{
346:^
328:.
320:.
316:.
289:.
285:.
259:.
229:.
225:.
213:^
189:.
1216:e
1209:t
1202:v
628:e
621:t
614:v
535:.
508:.
463:.
431:.
396:.
378:)
340:.
301:.
270:.
244:.
181:"
63:)
59:(
25:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
