WEBVTT 00:00:00.228 --> 00:00:04.122 Animals dont eat it; it eats animals. 00:00:04.122 --> 00:00:05.697 And there's one right here. 00:00:08.795 --> 00:00:09.611 Watch. 00:00:20.779 --> 00:00:23.103 This is Venus's flytrap. 00:00:23.103 --> 00:00:26.241 It shapes its traps from the ends of its leaves. 00:00:26.241 --> 00:00:29.009 One or two hairs on their surface act as triggers. 00:00:31.005 --> 00:00:32.674 Here comes a meal. 00:00:36.142 --> 00:00:39.146 Touch the hair and the trap is sprung. 00:00:42.397 --> 00:00:44.375 There's now no escape. 00:00:46.352 --> 00:00:52.049 The beetle's struggles stimulate the plant to close the trap even more tightly. 00:00:52.049 --> 00:00:56.548 It now produces digestive acids from glands on the inner surface of the leaf, 00:00:56.548 --> 00:01:00.032 which first kill and then dissolve its victim's body. 00:01:01.082 --> 00:01:05.679 Growing in the same Carolina swamp, there's another carnivorous plant. 00:01:06.965 --> 00:01:09.452 These are the trumpet pitchers. 00:01:09.452 --> 00:01:11.535 They, like the Venus's flytrap, 00:01:11.535 --> 00:01:15.475 find so little nutriment in this impoverished water-logged soil 00:01:15.475 --> 00:01:18.387 that they supplement it with the bodies of animals. 00:01:20.920 --> 00:01:23.770 Their traps are also formed from leaves, 00:01:23.770 --> 00:01:26.153 but leaves that have been folded lengthways 00:01:26.153 --> 00:01:29.734 to make a vertical tube which fills with water. 00:01:30.463 --> 00:01:33.192 (birds chirping, insects buzzing] 00:01:40.286 --> 00:01:42.792 These spectacular trumpets may look like flowers, 00:01:42.792 --> 00:01:44.122 but, of course, they're not. 00:01:44.122 --> 00:01:47.372 Though in a sense, this bright yellow top to them 00:01:47.372 --> 00:01:49.782 serves the same purpose as a petal. 00:01:49.782 --> 00:01:52.446 It's an advertisement of a delicious reward. 00:01:52.446 --> 00:01:56.160 And the reward itself is under here. 00:01:58.931 --> 00:02:00.508 Sweet nectar. 00:02:00.508 --> 00:02:02.667 But if an insect comes to collect it, 00:02:02.667 --> 00:02:05.217 and strays into the mouth of the trumpet, 00:02:05.217 --> 00:02:07.046 then it's doomed. 00:02:09.290 --> 00:02:14.064 (Dramatic music, animal noises) 00:02:23.676 --> 00:02:25.582 The inside of the throat of the trumpet 00:02:25.582 --> 00:02:29.680 is covered with microscopic downward-pointing spines. 00:02:33.367 --> 00:02:37.506 As long as it stays on the rim, the ant is alright. 00:02:37.506 --> 00:02:40.768 But if it strays off it... 00:02:40.768 --> 00:02:44.437 it falls into a pond of water and drowns. 00:02:44.437 --> 00:02:46.410 The tiny corpse dissolves 00:02:46.410 --> 00:02:49.490 and the marsh pitcher absorbs the resulting soup. 00:02:54.918 --> 00:02:58.641 And where one ant goes, others are likely to follow. 00:02:59.871 --> 00:03:02.813 (dramatic music continues) 00:03:15.230 --> 00:03:18.292 The marsh pitcher attracts other animals too. 00:03:18.292 --> 00:03:22.450 This frog may be hoping to eat some of the insects before the pitcher does, 00:03:22.450 --> 00:03:26.371 but if it loses its footing, the plant will eat it.