1 00:00:00,000 --> 00:00:02,009 2 00:00:02,009 --> 00:00:05,180 Crows have become highly skilled at making a living 3 00:00:05,180 --> 00:00:07,780 in these new urban environments. 4 00:00:07,780 --> 00:00:10,470 In this Japanese city, they have devised 5 00:00:10,470 --> 00:00:13,640 a way of eating a food that normally they can't manage. 6 00:00:13,640 --> 00:00:16,640 7 00:00:16,640 --> 00:00:19,828 [CROWS CAWING] 8 00:00:19,828 --> 00:00:34,104 9 00:00:34,104 --> 00:00:36,270 Dropping a road from a great height onto a hard road 10 00:00:36,270 --> 00:00:38,560 does sometimes crack it. 11 00:00:38,560 --> 00:00:42,670 But some nuts are particularly tough, 12 00:00:42,670 --> 00:00:45,522 so the crows have devised a better way. 13 00:00:45,522 --> 00:00:51,950 14 00:00:51,950 --> 00:00:53,460 Drop it among the traffic. 15 00:00:53,460 --> 00:00:56,460 16 00:00:56,460 --> 00:00:58,934 [ENGINES WHIRRING] 17 00:00:58,934 --> 00:01:03,845 18 00:01:03,845 --> 00:01:05,330 [CRACK] 19 00:01:05,330 --> 00:01:09,790 20 00:01:09,790 --> 00:01:12,650 The problem now is collecting the bits 21 00:01:12,650 --> 00:01:15,214 without getting run over. 22 00:01:15,214 --> 00:01:17,620 [CARS WHIZZING BY] 23 00:01:17,620 --> 00:01:20,680 24 00:01:20,680 --> 00:01:24,690 So some birds have refined their technique. 25 00:01:24,690 --> 00:01:27,900 They station themselves beside pedestrian crossings. 26 00:01:27,900 --> 00:01:43,180 27 00:01:43,180 --> 00:01:45,100 Wait for the lights to stop the traffic. 28 00:01:45,100 --> 00:01:49,600 29 00:01:49,600 --> 00:01:51,700 [BEEPING] 30 00:01:51,700 --> 00:01:57,100 31 00:01:57,100 --> 00:02:00,700 Then collect your cracked nut in safety. 32 00:02:00,700 --> 00:02:06,100 33 00:02:06,100 --> 00:02:09,150 [HORN HONKING] 34 00:02:09,150 --> 00:02:15,719