WEBVTT 00:00:06.681 --> 00:00:09.098 Why do cats do that? 00:00:12.568 --> 00:00:14.375 They're cute, they're lovable, 00:00:14.375 --> 00:00:19.847 and judging by the 26 billions views of over 2 million YouTube videos 00:00:19.847 --> 00:00:21.068 of them pouncing, 00:00:21.068 --> 00:00:21.975 bouncing, 00:00:21.975 --> 00:00:22.841 climbing, 00:00:22.841 --> 00:00:23.639 cramming, 00:00:23.639 --> 00:00:24.540 stalking, 00:00:24.540 --> 00:00:25.290 clawing, 00:00:25.290 --> 00:00:26.031 chattering, 00:00:26.031 --> 00:00:27.083 and purring, 00:00:27.083 --> 00:00:28.921 one thing is certain: 00:00:28.921 --> 00:00:32.041 cats are very entertaining. 00:00:32.041 --> 00:00:34.328 These somewhat strange feline behaviors, 00:00:34.328 --> 00:00:36.392 both amusing and baffling, 00:00:36.392 --> 00:00:40.576 leave many of us asking, "Why do cats do that?" NOTE Paragraph 00:00:40.576 --> 00:00:45.983 Throughout time, cats were simultaneously solitary predators of smaller animals 00:00:45.983 --> 00:00:49.198 and prey for larger carnivores. 00:00:49.198 --> 00:00:50.784 As both predator and prey, 00:00:50.784 --> 00:00:55.609 survival of their species depended on crucial instinctual behaviors 00:00:55.609 --> 00:01:00.635 which we still observe in wild and domestic cats today. 00:01:00.635 --> 00:01:04.973 While the feline actions of your house cat Grizmo might seem perplexing, 00:01:04.973 --> 00:01:07.060 in the wild, these same behaviors, 00:01:07.060 --> 00:01:10.188 naturally bred into cats for millions of years, 00:01:10.188 --> 00:01:13.377 would make Grizmo a super cat. NOTE Paragraph 00:01:13.377 --> 00:01:18.108 Enabled by their unique muscular structure and keen balancing abilities, 00:01:18.108 --> 00:01:22.263 cats climbed to high vantage points to survey their territory 00:01:22.263 --> 00:01:24.831 and spot prey in the wild. 00:01:24.831 --> 00:01:29.155 Grizmo doesn't need these particular skills to find and hunt down dinner 00:01:29.155 --> 00:01:30.887 in her food bowl today, 00:01:30.887 --> 00:01:34.357 but instinctually, viewing the living room from the top of the bookcase 00:01:34.357 --> 00:01:37.911 is exactly what she has evolved to do. NOTE Paragraph 00:01:37.911 --> 00:01:44.122 As wild predators, cats are opportunistic and hunt whenever prey is available. 00:01:44.122 --> 00:01:45.980 Since most cat prey are small, 00:01:45.980 --> 00:01:49.651 cats in the wild needed to eat many times each day, 00:01:49.651 --> 00:01:54.991 and use a stalk, pounce, kill, eat strategy to stay fed. 00:01:54.991 --> 00:01:58.862 This is why Grizmo prefers to chase and pounce on little toys 00:01:58.862 --> 00:02:02.860 and eat small meals over the course of the day and night. 00:02:02.860 --> 00:02:08.141 Also, small prey tend to hide in tiny spaces in their natural environments, 00:02:08.141 --> 00:02:12.541 so one explanation for Grizmo's propensity to reach into containers and openings 00:02:12.541 --> 00:02:15.436 is that she is compelled by the same curiosity 00:02:15.436 --> 00:02:24.361 that helped ensure the continuation of her species for millions of years before. NOTE Paragraph 00:02:24.361 --> 00:02:30.181 In the wild, cats needed sharp claws for climbing, hunting, and self-defense. 00:02:30.181 --> 00:02:34.778 Sharpening their claws on nearby surfaces kept them conditioned and ready, 00:02:34.778 --> 00:02:36.901 helped stretch their back and leg muscles, 00:02:36.901 --> 00:02:39.321 and relieve some stress, too. 00:02:39.321 --> 00:02:41.451 So, it's not that Grizmo hates your couch, 00:02:41.451 --> 00:02:42.287 chair, 00:02:42.287 --> 00:02:43.272 ottoman, 00:02:43.272 --> 00:02:44.017 pillows, 00:02:44.017 --> 00:02:44.794 curtains, 00:02:44.794 --> 00:02:47.499 and everything else you put in her environment. 00:02:47.499 --> 00:02:52.134 She's ripping these things to shreds and keeping her claws in tip-top shape 00:02:52.134 --> 00:02:57.763 because this is exactly what her ancestors did in order to survive. NOTE Paragraph 00:02:57.763 --> 00:02:59.506 As animals that were preyed upon, 00:02:59.506 --> 00:03:01.883 cats evolved to not get caught, 00:03:01.883 --> 00:03:06.195 and in the wild, the cats that were the best at avoiding predators thrived. 00:03:06.195 --> 00:03:07.651 So at your house today, 00:03:07.651 --> 00:03:11.449 Grizmo is an expert at squeezing into small spaces 00:03:11.449 --> 00:03:15.663 and seeking out and hiding in unconventional spots. 00:03:15.663 --> 00:03:19.727 It also explains why she prefers a clean and odor-free litter box. 00:03:19.727 --> 00:03:23.388 That's less likely to give away her location to any predators 00:03:23.388 --> 00:03:26.573 that may be sniffing around nearby. NOTE Paragraph 00:03:26.573 --> 00:03:28.859 Considering everything we do know about cats, 00:03:28.859 --> 00:03:31.789 it seems that one of their most predominate behaviors 00:03:31.789 --> 00:03:34.292 is still one of the most mysterious. 00:03:34.292 --> 00:03:37.623 Cats may purr for any number of reasons, 00:03:37.623 --> 00:03:38.809 such as happiness, 00:03:38.809 --> 00:03:39.838 stress, 00:03:39.838 --> 00:03:41.131 and hunger. 00:03:41.131 --> 00:03:43.726 But curiously, the frequency of their purrs, 00:03:43.726 --> 00:03:46.466 between 25 and 150 hertz, 00:03:46.466 --> 00:03:51.292 is within a range that can promote tissue regeneration. 00:03:51.292 --> 00:03:54.777 So while her purring makes Grizmo an excellent nap companion, 00:03:54.777 --> 00:04:00.118 it is also possible that her purr is healing her muscles and bones, 00:04:00.118 --> 00:04:03.265 and maybe even yours, too. NOTE Paragraph 00:04:03.265 --> 00:04:04.627 They developed through time 00:04:04.627 --> 00:04:07.752 as both solitary predators that hunted and killed to eat, 00:04:07.752 --> 00:04:12.063 and stealthy prey that hid and escaped to survive. 00:04:12.063 --> 00:04:15.245 So cats today retain many of the same instincts 00:04:15.245 --> 00:04:19.686 that allowed them to thrive in the wild for millions of years. 00:04:19.686 --> 00:04:23.512 This explains some of their seemingly strange behaviors. 00:04:23.512 --> 00:04:26.093 To them, our homes are their jungles. 00:04:26.093 --> 00:04:28.961 But if this is the case, in our own cat's eyes, 00:04:28.961 --> 00:04:30.442 who are we? 00:04:30.442 --> 00:04:34.007 Big, dumb, hairless cats competing with them for resources? 00:04:34.007 --> 00:04:38.545 Terribly stupid predators they're able to outsmart every day? 00:04:38.545 --> 00:04:40.989 Or maybe they think we're the prey.