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These are the user uploaded subtitles that are being translated: 1 00:00:05,138 --> 00:00:05,271 . 2 00:00:05,872 --> 00:00:07,173 - NARRATOR: WHEN YOU SEE THIS - SYMBOL YOU KNOW YOU'RE WATCHING 3 00:00:08,141 --> 00:00:09,976 TELEVISION THAT IS EDUCATIONAL 4 00:00:09,977 --> 00:00:11,811 AND INFORMATIONAL. 5 00:00:11,845 --> 00:00:14,848 THE MORE YOU KNOW ON NBC. 6 00:00:15,248 --> 00:00:18,184 - DYLAN: HI, EVERYBODY, I'M DYLAN - DREYER, AND THIS IS "EARTH 7 00:00:18,218 --> 00:00:20,200 ODYSSEY". 8 00:00:20,530 --> 00:00:23,490 - ON TODAY'S EPISODE, WE HEAD TO - VANCOUVER ISLAND, WHERE ONE FISH 9 00:00:23,523 --> 00:00:25,492 IS VITAL TO THE SURVIVAL OF ALL 10 00:00:25,493 --> 00:00:27,460 LIVING THINGS. 11 00:00:27,494 --> 00:00:29,129 WE'LL MEET THE GIANTS ON BOTH 12 00:00:29,130 --> 00:00:30,764 LAND AND IN THE WATER AND 13 00:00:30,797 --> 00:00:32,349 DISCOVER HOW THEY ARE ALL 14 00:00:32,350 --> 00:00:33,900 CONNECTED. 15 00:00:33,933 --> 00:00:35,852 PLUS, WE'LL EXPLORE JUST OFF 16 00:00:35,853 --> 00:00:37,771 VANCOUVER'S SHORE AND QUICKLY 17 00:00:37,804 --> 00:00:40,123 FIND OUT WHO IS THE CHIEF OF 18 00:00:40,124 --> 00:00:42,442 THIS REEF. 19 00:00:42,475 --> 00:00:44,477 [MUSIC] 20 00:01:01,603 --> 00:01:02,737 DYLAN: CANADA'S VANCOUVER 21 00:01:02,762 --> 00:01:04,151 ISLAND IS HOME TO SOME OF THE 22 00:01:04,176 --> 00:01:05,439 WORLD'S MOST DIVERSE AND 23 00:01:05,464 --> 00:01:07,342 EXTRAORDINARY WILDLIFE, BUT THE 24 00:01:07,367 --> 00:01:08,919 WATER THAT SURROUNDS THE ISLAND 25 00:01:08,920 --> 00:01:10,470 IS EQUALLY ABUNDANT. 26 00:01:10,503 --> 00:01:13,473 - ALONG TWO THOUSAND MILES OF - COASTLINE, YOU'LL SEE EVERYTHING 27 00:01:13,506 --> 00:01:15,442 FROM SEA LIONS TO GIANT 28 00:01:15,443 --> 00:01:17,377 OCTOPUSES, AND IT'S HOME TO ONE 29 00:01:17,410 --> 00:01:20,146 - ANIMAL THAT'S BIGGER THAN - ANYTHING WITH FOUR LEGS ON LAND 30 00:01:20,180 --> 00:01:22,382 OR EIGHT LEGS IN THE SEA. 31 00:01:22,415 --> 00:01:23,967 LET'S EXPLORE THE LIFE OF 32 00:01:23,968 --> 00:01:25,518 VANCOUVER ISLAND'S GENTLE GIANT, 33 00:01:25,552 --> 00:01:27,554 THE HUMPBACK WHALE. 34 00:01:33,930 --> 00:01:36,162 - VANCOUVER ISLAND IS HOME TO ONE - OF THE WORLD'S MOST DIVERSE 35 00:01:36,196 --> 00:01:38,699 ECOSYSTEMS, GLACIER-CAPPED 36 00:01:38,700 --> 00:01:41,201 MOUNTAINS, ANCIENT FORESTS, 37 00:01:43,636 --> 00:01:45,972 NUTRIENT-RICH OCEANS, AND A 38 00:01:45,973 --> 00:01:48,308 NETWORK OF RIVERS AND CREEKS 39 00:01:48,341 --> 00:01:51,110 - THAT SUPPORT A WILDERNESS LIKE - NO OTHER. 40 00:01:55,448 --> 00:01:57,934 BUT ONE CREATURE STANDS OUT 41 00:01:57,935 --> 00:02:00,420 ABOVE ALL THE REST, THE PACIFIC 42 00:02:00,453 --> 00:02:04,570 SALMON. 43 00:02:04,900 --> 00:02:07,260 VIRTUALLY ALL LIFE HERE RELIES 44 00:02:07,261 --> 00:02:09,620 ON ITS EXISTENCE, 45 00:02:12,532 --> 00:02:14,534 LIKE THIS GENTLE GIANT. 46 00:02:17,704 --> 00:02:19,473 HUMPBACK WHALES CAN REACH 52 47 00:02:19,474 --> 00:02:21,241 FEET IN LENGTH AND WEIGH MORE 48 00:02:21,274 --> 00:02:23,193 THAN 36 TONS, MAKING THEM THE 49 00:02:23,194 --> 00:02:25,111 FIFTH LARGEST ANIMAL ON THE 50 00:02:25,145 --> 00:02:26,813 PLANET. 51 00:02:44,898 --> 00:02:47,567 AND SALMON AREN'T ON THEIR MENU. 52 00:02:51,133 --> 00:02:53,873 - THE HUMPBACKS' ENORMOUS FRAMES - ARE FUELED BY SMALL SCHOOLING 53 00:02:53,907 --> 00:02:56,109 FISH LIKE HERRING AND SWARMS OF 54 00:02:56,110 --> 00:02:58,311 TINY SHRIMP-LIKE CRUSTACEANS 55 00:02:58,345 --> 00:03:00,347 KNOWN AS KRILL. 56 00:03:03,550 --> 00:03:05,352 THESE TOOTHLESS WHALES USE A 57 00:03:05,353 --> 00:03:07,153 MASS OF BRISTLES CALLED BALEEN 58 00:03:07,187 --> 00:03:09,856 - PLATES TO FILTER FOOD FROM THE - WATER. 59 00:03:15,528 --> 00:03:17,530 THE HUMPBACKS ARE ABOUT TO 60 00:03:17,531 --> 00:03:19,532 EMBARK ON A MAMMOTH JOURNEY. 61 00:03:28,174 --> 00:03:30,744 - THEY SPEND EACH WINTER IN THE - WARMER SOUTHERN WATERS OFF 62 00:03:30,777 --> 00:03:33,130 MEXICO AND HAWAII, MORE THAN 63 00:03:33,131 --> 00:03:35,482 THREE THOUSAND MILES AWAY. 64 00:03:35,515 --> 00:03:37,178 THIS IS WHERE THEY'LL BREED 65 00:03:37,179 --> 00:03:38,839 BEFORE RETURNING TO VANCOUVER 66 00:03:38,840 --> 00:03:40,860 ISLAND'S FOOD-RICH WATERS WITH 67 00:03:40,861 --> 00:03:42,880 THEIR CALVES IN TOW. 68 00:03:46,526 --> 00:03:48,178 BUT ONE WHALE NEVER LEAVES THE 69 00:03:48,179 --> 00:03:49,829 REGION, AND THIS PREDATOR CAN 70 00:03:49,863 --> 00:03:51,865 HAVE A TASTE FOR SALMON. 71 00:03:59,439 --> 00:04:01,024 KILLER WHALES WEIGH UP TO NINE 72 00:04:01,025 --> 00:04:02,609 TONS AND ROAM THE ISLAND'S COAST 73 00:04:02,642 --> 00:04:05,245 IN PODS OF UP TO 30 INDIVIDUALS. 74 00:04:10,500 --> 00:04:13,119 - UNLIKE HUMPBACKS, THEY HAVE MORE - THAN 20 PAIRS OF POINTED, 75 00:04:13,153 --> 00:04:15,155 INTERLOCKING TEETH. 76 00:04:18,591 --> 00:04:20,477 ALSO KNOWN AS ORCAS, NAMED AFTER 77 00:04:20,478 --> 00:04:22,362 THE ROMAN GOD OF THE UNDERWORLD, 78 00:04:22,395 --> 00:04:24,030 THEY HUNT IN PACKS AND ARE OFTEN 79 00:04:24,031 --> 00:04:25,665 REFERRED TO AS THE WOLVES OF THE 80 00:04:25,699 --> 00:04:30,637 SEA. 81 00:04:30,670 --> 00:04:32,672 BUT THIS PARTICULAR POD POSES NO 82 00:04:32,673 --> 00:04:34,674 THREAT TO THE SALMON. 83 00:04:36,142 --> 00:04:38,128 THESE KILLER WHALES HUNT 84 00:04:38,129 --> 00:04:40,113 MAMMALS. 85 00:04:40,146 --> 00:04:42,982 - WHILE THE RESIDENT PODS OF ORCAS - EAT ONLY FISH, THIS VISITING 86 00:04:43,830 --> 00:04:45,850 GROUP GOES FOR MUCH LARGER PREY, 87 00:04:45,851 --> 00:04:47,870 SUCH AS SEA LIONS. 88 00:04:51,825 --> 00:04:53,327 THESE SEA LIONS WERE LUCKY TO 89 00:04:53,328 --> 00:04:54,828 GET AWAY. 90 00:05:00,333 --> 00:05:03,360 - AND AS SHOALS OF SALMON COMMENCE - THEIR RETURN TO VANCOUVER 91 00:05:03,690 --> 00:05:06,050 ISLAND, ANOTHER CREATURE 92 00:05:06,051 --> 00:05:08,410 PREPARES TO LEAVE ITS NEST. 93 00:05:09,576 --> 00:05:12,412 - COMING UP ON "EARTH ODYSSEY", - WE'LL FLY HEAD-FIRST INTO THESE 94 00:05:12,445 --> 00:05:14,748 TURKEY VULTURES' CULTURE. 95 00:05:14,781 --> 00:05:16,666 PLUS, THIS FISH MAY BE A STAR, 96 00:05:16,667 --> 00:05:18,551 BUT ITS' HARDLY THE BIGGEST SEA 97 00:05:18,585 --> 00:05:20,954 CREATURE IN VANCOUVER'S REEFS. 98 00:05:21,540 --> 00:05:24,424 [BREAK] 99 00:05:30,130 --> 00:05:30,263 . 100 00:05:30,397 --> 00:05:38,089 NARRATOR: WE NOW RETURN TO THE 101 00:05:38,090 --> 00:05:45,780 MORE YOU KNOW ON NBC 102 00:05:46,179 --> 00:05:48,648 - DYLAN: IN EAST SOOKE PARK ON - THE SOUTHERN TIP OF VANCOUVER 103 00:05:48,682 --> 00:05:50,901 ISLAND, THOUSANDS OF TURKEY 104 00:05:50,902 --> 00:05:53,119 VULTURES GATHER, CREATING A 105 00:05:53,153 --> 00:05:57,557 UNIQUE SPECTACLE. 106 00:05:57,590 --> 00:06:00,193 - THEY ARE THE MASTERS OF SOARING - FLIGHT. 107 00:06:11,204 --> 00:06:12,806 TURKEY VULTURES BREED ALONG THE 108 00:06:12,807 --> 00:06:14,407 ENTIRE LENGTH OF THE ISLAND, BUT 109 00:06:14,441 --> 00:06:16,944 DURING WINTER, THEY HEAD FARTHER 110 00:06:16,945 --> 00:06:19,446 SOUTH TO MAINLAND AMERICA. 111 00:06:25,510 --> 00:06:28,288 - ON REACHING THE COOLER COASTAL - AIR, THEY FORM LARGE FLOCKS, OR 112 00:06:28,321 --> 00:06:30,824 KETTLES, WAITING FOR THE RIGHT 113 00:06:30,825 --> 00:06:33,326 CONDITIONS TO CROSS THE SEA. 114 00:06:36,620 --> 00:06:38,798 - TURKEY VULTURES AREN'T STRONG - FLIERS, SO THEY RELY ON WINDS 115 00:06:38,832 --> 00:06:40,334 AND THERMAL CURRENTS TO KEEP 116 00:06:40,335 --> 00:06:41,835 THEM ALOFT. 117 00:06:44,637 --> 00:06:46,306 THIS EFFICIENT WAY OF TRAVELING 118 00:06:46,307 --> 00:06:47,974 USES JUST A FRACTION MORE ENERGY 119 00:06:48,740 --> 00:06:50,760 - THAN WHEN THEY'RE STANDING - STILL. 120 00:06:59,185 --> 00:07:00,737 LIKE ALL VULTURES, THEY HAVE 121 00:07:00,738 --> 00:07:02,288 EXCELLENT EYESIGHT, BUT THIS 122 00:07:02,322 --> 00:07:04,796 PARTICULAR SPECIES ALSO HAS AN 123 00:07:04,797 --> 00:07:07,270 EXTRAORDINARY SENSE OF SMELL. 124 00:07:09,763 --> 00:07:12,165 - THE PART OF THEIR BRAIN - CONTROLLING THIS SENSE IS THREE 125 00:07:12,198 --> 00:07:14,668 TIMES LARGER THAN SOME OTHER 126 00:07:14,669 --> 00:07:17,137 VULTURE SPECIES. 127 00:07:17,170 --> 00:07:18,872 TURKEY VULTURES ALSO LACK A 128 00:07:18,873 --> 00:07:20,573 NASAL SEPTUM, THE WALL THAT 129 00:07:20,607 --> 00:07:23,243 SEPARATES THE NOSTRILS. 130 00:07:23,276 --> 00:07:24,794 THIS ALLOWS MORE AIR TO PASS 131 00:07:24,795 --> 00:07:26,312 THROUGH, HELPING THEM TO DETECT 132 00:07:26,346 --> 00:07:28,348 A DECAYING CARCASS. 133 00:07:37,123 --> 00:07:38,675 CARRION MAKES UP THE MAJORITY OF 134 00:07:38,676 --> 00:07:40,226 THEIR DIET. 135 00:07:40,260 --> 00:07:42,796 - THEY LACK THE SHARP BEAK AND - TALONS USED BY OTHER BIRDS OF 136 00:07:42,829 --> 00:07:46,499 PREY TO MAKE A KILL. 137 00:07:46,533 --> 00:07:48,835 THEIR FEET MORE RESEMBLE THOSE 138 00:07:48,836 --> 00:07:51,137 OF A CHICKEN. 139 00:07:51,171 --> 00:07:53,573 - ACIDS INSIDE THEIR STOMACHS ARE - THOUGHT TO PLAY A PART IN 140 00:07:53,606 --> 00:07:56,276 - HELPING TO CURB THE SPREAD OF - DISEASE. 141 00:08:01,114 --> 00:08:03,116 EVEN ANTHRAX BACTERIA IS KILLED 142 00:08:03,117 --> 00:08:05,118 OFF AFTER BEING CONSUMED. 143 00:08:13,293 --> 00:08:14,745 DESPITE THEIR DECAYING DIET, 144 00:08:14,746 --> 00:08:16,196 TURKEY VULTURES ARE ONE OF THE 145 00:08:16,229 --> 00:08:18,798 CLEANEST ANIMALS AROUND. 146 00:08:18,832 --> 00:08:21,768 - CONSTANT PREENING AND A - FEATHERLESS HEAD KEEPS GERMS AND 147 00:08:21,801 --> 00:08:23,803 MICROBES TO A MINIMUM. 148 00:08:28,740 --> 00:08:31,344 - ALONG WITH DRYING AND WARMING - THEIR BODIES, THIS SPREAD-WING 149 00:08:31,378 --> 00:08:32,924 STANCE IN THE SUN ALSO BAKES OFF 150 00:08:32,925 --> 00:08:34,470 BACTERIA. 151 00:08:38,685 --> 00:08:40,618 WITH STOMACH REFUELED AND WINGS 152 00:08:40,619 --> 00:08:42,549 WARMED UP, IT'S TIME TO REJOIN 153 00:08:42,550 --> 00:08:44,655 THE FLOCK AHEAD OF THE JOURNEY 154 00:08:44,656 --> 00:08:46,760 SOUTH. 155 00:08:46,793 --> 00:08:49,296 ABOUT 60 MILES FARTHER NORTH 156 00:08:49,297 --> 00:08:51,798 ALONG THE ENGLISHMAN RIVER, ONE 157 00:08:52,650 --> 00:08:54,660 CREATURE IS BUSY STOCKPILING 158 00:08:54,661 --> 00:08:56,670 FOOD FOR THE WINTER AHEAD. 159 00:08:58,304 --> 00:08:59,773 BEAVERS ARE NORTH AMERICA'S 160 00:08:59,774 --> 00:09:01,241 LARGEST RODENTS AND CAN REACH 161 00:09:01,274 --> 00:09:03,276 MORE THAN THREE FEET LONG. 162 00:09:10,183 --> 00:09:12,485 - MOST OF THE TIME IS SPENT - BUILDING DAMS ALONG THE REGION'S 163 00:09:12,519 --> 00:09:16,222 FAST-FLOWING STREAMS. 164 00:09:16,256 --> 00:09:18,759 THE RIVERS EVENTUALLY FLOOD, 165 00:09:18,760 --> 00:09:21,261 CREATING ENORMOUS PONDS. 166 00:09:24,300 --> 00:09:26,232 - THIS WAY, THE BEAVERS CAN REMAIN - IN WATER AND REACH THEIR 167 00:09:26,266 --> 00:09:29,269 - FAVORITE TREES WITHOUT HAVING TO - TRAVEL ON LAND. 168 00:09:33,940 --> 00:09:35,625 BEAVERS ONLY EAT THE INNER BARK 169 00:09:35,626 --> 00:09:37,310 OF TREES AND SHRUBS, BUT WILL 170 00:09:37,344 --> 00:09:38,846 GNAW THROUGH HUGE TRUNKS TO 171 00:09:38,847 --> 00:09:40,347 CREATE A DAM. 172 00:09:48,188 --> 00:09:50,824 - THEIR FRONT TEETH NEVER STOP - GROWING, AND THIS CONSTANT 173 00:09:50,857 --> 00:09:52,859 CHEWING PREVENTS THEM FROM 174 00:09:52,860 --> 00:09:54,861 BECOMING TOO LONG. 175 00:09:57,564 --> 00:09:59,483 BEAVER PONDS PLAY A KEY ROLE IN 176 00:09:59,484 --> 00:10:01,401 THE LIFE OF PACIFIC SALMON. 177 00:10:01,434 --> 00:10:02,986 THESE VAST, CALM STRETCHES OF 178 00:10:02,987 --> 00:10:04,537 WATER TRAP NUTRIENTS FLOWING 179 00:10:04,571 --> 00:10:06,873 DOWNSTREAM. 180 00:10:06,906 --> 00:10:09,409 THIS CREATES A PERFECT HABITAT 181 00:10:09,410 --> 00:10:11,911 FOR AQUATIC INVERTEBRATES, WHICH 182 00:10:12,780 --> 00:10:15,115 - IN TURN PROVIDES FISH WITH - FORAGING OPPORTUNITIES NOT FOUND 183 00:10:15,148 --> 00:10:19,486 IN FAST-FLOWING STREAMS. 184 00:10:19,519 --> 00:10:21,204 WHEN EARTH ODYSSEY RETURNS, HOW 185 00:10:21,205 --> 00:10:22,889 DOES A BLACK BEAR GET SO BIG OFF 186 00:10:22,922 --> 00:10:24,841 OF JUST BERRIES, GRASS, AND 187 00:10:24,842 --> 00:10:26,760 SALMON? 188 00:10:26,793 --> 00:10:28,795 PLUS, WE SWIM WITH THE GIANTS OF 189 00:10:28,796 --> 00:10:30,797 VANCOUVER ISLAND. 190 00:10:32,232 --> 00:10:36,369 [BREAK] 191 00:10:41,174 --> 00:10:41,307 . 192 00:10:41,474 --> 00:10:48,677 NARRATOR: WE NOW RETURN TO THE 193 00:10:48,678 --> 00:10:55,880 MORE YOU KNOW ON NBC 194 00:10:56,122 --> 00:10:58,558 - DYLAN: IF YOU LIKE SALMON, - YOU'RE NOT ALONE, ESPECIALLY 195 00:10:58,591 --> 00:11:00,393 AMONG THE ANIMAL KINGDOM. 196 00:11:00,427 --> 00:11:02,012 IT'S THE NUMBER ONE SOURCE OF 197 00:11:02,013 --> 00:11:03,596 PROTEIN FOR THE NORTH AMERICAN 198 00:11:03,630 --> 00:11:04,831 BLACK BEAR. 199 00:11:04,864 --> 00:11:07,801 - THEY'LL SNATCH HUNDREDS OF - SALMON FRESH OUT OF THE STREAMS 200 00:11:07,834 --> 00:11:10,804 - AND LEAVE THE REMAINS SCATTERED - THROUGHOUT THEIR SURROUNDINGS, 201 00:11:10,837 --> 00:11:12,906 - BUT THESE ARE MORE THAN JUST - LEFTOVERS. 202 00:11:12,939 --> 00:11:15,342 - THEY'RE THE MAIN COURSE FOR THE - FOREST AROUND THEM. 203 00:11:15,375 --> 00:11:16,743 LET'S EXPLORE THE DELICATE 204 00:11:16,744 --> 00:11:18,111 RELATIONSHIP BETWEEN BLACK 205 00:11:18,144 --> 00:11:19,629 BEARS, SALMON, AND THEIR 206 00:11:19,630 --> 00:11:21,114 ECOSYSTEM. 207 00:11:24,150 --> 00:11:25,752 VANCOUVER ISLAND HAS THE DENSEST 208 00:11:25,753 --> 00:11:27,354 POPULATION OF BLACK BEARS IN THE 209 00:11:27,387 --> 00:11:28,988 WORLD. 210 00:11:29,890 --> 00:11:31,825 - THEY'RE DARKER THAN MAINLAND - BEARS AND SLIGHTLY LARGER, 211 00:11:31,858 --> 00:11:33,193 WEIGHING UP TO SIX HUNDRED 212 00:11:33,194 --> 00:11:34,527 POUNDS. 213 00:11:45,939 --> 00:11:47,457 ALTHOUGH LARGELY VEGETARIAN, 214 00:11:47,458 --> 00:11:48,975 FEEDING ON GRASSES AND BERRIES 215 00:11:49,300 --> 00:11:51,123 FOR MOST OF THE YEAR, THEY ARE 216 00:11:51,124 --> 00:11:52,946 THE ISLAND'S LARGEST PREDATOR. 217 00:11:59,686 --> 00:12:02,489 - THE ANNUAL SALMON RUN PROVIDES A - MAJOR FOOD SOURCE FOR MANY 218 00:12:02,522 --> 00:12:05,579 BEARS. 219 00:12:05,580 --> 00:12:07,071 THE BRAIN, EGG, SKIN, AND BACK 220 00:12:07,072 --> 00:12:08,561 MUSCLES CONTAIN HIGH LEVELS OF 221 00:12:08,595 --> 00:12:10,597 FAT, AND IT'S THESE PARTICULAR 222 00:12:10,598 --> 00:12:12,599 AREAS THE BEARS FOCUS ON. 223 00:12:14,567 --> 00:12:16,069 THEY CAN EACH EAT UP TO 15 224 00:12:16,070 --> 00:12:17,570 SALMON A DAY. 225 00:12:19,906 --> 00:12:21,575 ONE-AND-A-HALF-INCH CURVED CLAWS 226 00:12:21,576 --> 00:12:23,243 AND A SET OF FLESH-TEARING TEETH 227 00:12:23,276 --> 00:12:25,033 AREN'T THE ONLY QUALITIES 228 00:12:25,034 --> 00:12:26,789 KEEPING BLACK BEARS AT THE TOP 229 00:12:26,790 --> 00:12:27,781 OF THE FOOD CHAIN. 230 00:12:27,814 --> 00:12:30,317 THEY CAN ALSO SCALE TREES WITH 231 00:12:30,318 --> 00:12:32,819 EASE, RUN AT MORE THAN 30 MILES 232 00:12:33,860 --> 00:12:35,375 PER HOUR, AND SWIM LONG 233 00:12:35,376 --> 00:12:36,890 DISTANCES. 234 00:12:43,797 --> 00:12:45,282 TO TOP IT OFF, THEIR SENSE OF 235 00:12:45,283 --> 00:12:46,766 SMELL IS SEVEN TIMES SHARPER 236 00:12:46,800 --> 00:12:48,802 THAN A BLOODHOUND'S. 237 00:12:52,972 --> 00:12:55,408 - DESPITE THESE IMPRESSIVE - ATTRIBUTES, CATCHING LIVE SALMON 238 00:12:55,442 --> 00:12:58,445 - IN THESE DEEPER WATERS IS EASIER - SAID THAN DONE. 239 00:13:11,358 --> 00:13:13,793 - FARTHER UPSTREAM, THE WATER - LEVELS ARE TOO LOW FOR THE 240 00:13:13,827 --> 00:13:15,646 SALMON TO CONTINUE THEIR JOURNEY 241 00:13:15,647 --> 00:13:17,464 HOME. 242 00:13:17,497 --> 00:13:20,133 - UNTIL THE HEAVY AUTUMN RAINS - ARRIVE, THEY'LL JUST HAVE TO SIT 243 00:13:20,166 --> 00:13:23,169 - TIGHT, AS WILL THE ISLAND'S MANY - BEARS. 244 00:13:30,760 --> 00:13:32,780 BLACK BEARS PLAY A VITAL ROLE IN 245 00:13:32,781 --> 00:13:34,800 VANCOUVER ISLAND'S ECOSYSTEM. 246 00:13:35,582 --> 00:13:37,211 NOT ALL SALMON ARE COMPLETELY 247 00:13:37,212 --> 00:13:38,839 CONSUMED AFTER BEING CARRIED 248 00:13:38,840 --> 00:13:40,598 INTO THE FORESTS, AND THIS HAS A 249 00:13:40,599 --> 00:13:42,355 SIGNIFICANT EFFECT ON THE 250 00:13:42,389 --> 00:13:45,325 SURROUNDING LAND. 251 00:13:45,358 --> 00:13:46,977 WHEN THESE CARCASSES BREAK DOWN, 252 00:13:46,978 --> 00:13:48,595 NITROGEN, PHOSPHORUS, AND OTHER 253 00:13:48,628 --> 00:13:50,597 NUTRIENTS ARE ABSORBED BY THE 254 00:13:50,598 --> 00:13:52,565 SURROUNDING VEGETATION. 255 00:13:54,467 --> 00:13:56,152 UP TO 70 PERCENT OF THE NITROGEN 256 00:13:56,153 --> 00:13:57,837 IN SOME AREAS COMES DIRECTLY 257 00:13:57,871 --> 00:14:01,708 FROM THE FISH. 258 00:14:01,741 --> 00:14:03,193 TREES TAKING ROOT CLOSE TO 259 00:14:03,194 --> 00:14:04,644 SALMON RIVERS GROW THREE TIMES 260 00:14:04,678 --> 00:14:06,680 FASTER THAN THOSE NEXT TO 261 00:14:06,681 --> 00:14:08,682 FISH-FREE STREAMS. 262 00:14:11,584 --> 00:14:13,486 HERE, SITKA SPRUCE TAKE JUST 86 263 00:14:13,487 --> 00:14:15,388 YEARS TO REACH A THICKNESS OF 20 264 00:14:15,422 --> 00:14:17,624 INCHES RATHER THAN THE USUAL 265 00:14:17,625 --> 00:14:19,826 THREE HUNDRED YEARS. 266 00:14:19,859 --> 00:14:21,695 VANCOUVER ISLAND IS HOME TO THE 267 00:14:21,696 --> 00:14:23,530 TALLEST SITKA SPRUCE TREES IN 268 00:14:23,563 --> 00:14:26,766 CANADA, POSSIBLY THE WORLD. 269 00:14:26,800 --> 00:14:28,802 SOME REACH HEIGHTS OF MORE THAN 270 00:14:28,803 --> 00:14:30,804 THREE HUNDRED FEET. 271 00:14:33,106 --> 00:14:35,108 SITKA SEEDLINGS, HOWEVER, HAVE A 272 00:14:35,109 --> 00:14:37,110 DIFFICULT TIME STARTING OUT. 273 00:14:38,178 --> 00:14:39,830 DENSE MOSSES AND SMALLER PLANTS 274 00:14:39,831 --> 00:14:41,481 CARPET THE FOREST FLOOR, MAKING 275 00:14:41,514 --> 00:14:43,233 IT DIFFICULT FOR THEM TO TAKE 276 00:14:43,234 --> 00:14:44,951 ROOT, BUT MANY ARE GIVEN A 277 00:14:44,984 --> 00:14:46,986 HELPING HAND. 278 00:14:51,624 --> 00:14:53,143 FALLEN TREES REPAY HUNDREDS OF 279 00:14:53,144 --> 00:14:54,661 YEARS' WORTH OF BENEFITS BY 280 00:14:54,694 --> 00:14:56,696 ACTING AS NURSE LOGS. 281 00:15:01,334 --> 00:15:02,736 SEEDS LANDING ON THESE DOWNED 282 00:15:02,737 --> 00:15:04,137 GIANTS ALREADY HAVE A HEIGHT 283 00:15:04,170 --> 00:15:06,673 HEAD START, AS WELL AS AN OPEN 284 00:15:06,674 --> 00:15:09,175 AREA TO GERMINATE AND DEVELOP. 285 00:15:10,610 --> 00:15:12,035 MORE THAN 90 PERCENT OF SITKA 286 00:15:12,036 --> 00:15:13,460 SEEDLINGS HERE START OUT THIS 287 00:15:13,790 --> 00:15:15,382 WAY. 288 00:15:15,415 --> 00:15:16,950 FUNGI ALSO FEED ON THE DECAYING 289 00:15:16,951 --> 00:15:18,485 TREES AND PLAY THEIR PART IN 290 00:15:18,518 --> 00:15:21,955 RECYCLING NUTRIENTS. 291 00:15:22,550 --> 00:15:25,592 - AND JUST AS THE LAND BENEFITS - OFF OF EACH LIVING ORGANISM, THE 292 00:15:25,625 --> 00:15:27,627 OCEAN SEES ITS FAIR SHARE OF 293 00:15:27,628 --> 00:15:29,629 NUTRIENTS ITSELF. 294 00:15:31,331 --> 00:15:33,216 COMING UP, WE EXPLORE THE OCEAN 295 00:15:33,217 --> 00:15:35,101 ONE LAST TIME TO SEE IF WE CAN 296 00:15:35,135 --> 00:15:37,137 FIND, OR AVOID, VANCOUVER 297 00:15:37,138 --> 00:15:39,139 ISLAND'S UNDERWATER GIANTS. 298 00:15:40,540 --> 00:15:44,177 [BREAK] 299 00:15:49,149 --> 00:15:49,282 . 300 00:15:49,549 --> 00:15:57,474 NARRATOR: WE NOW RETURN TO THE 301 00:15:57,475 --> 00:16:05,398 MORE YOU KNOW ON NBC 302 00:16:06,433 --> 00:16:08,668 - DYLAN: VANCOUVER ISLAND HAS - SOME OF THE MOST FOOD-RICH 303 00:16:08,702 --> 00:16:10,541 SHORES ON THE PLANET, WHICH ARE 304 00:16:10,542 --> 00:16:12,380 HOME TO AN ABUNDANCE OF MARINE 305 00:16:12,720 --> 00:16:14,740 CREATURES. 306 00:16:21,348 --> 00:16:22,883 THIS INTERTIDAL ZONE IS A 307 00:16:22,884 --> 00:16:24,417 COLORFUL COLD-WATER PARADISE 308 00:16:24,451 --> 00:16:27,454 - THAT PUTS MANY TROPICAL REEFS TO - SHAME. 309 00:16:33,693 --> 00:16:35,278 IN SUMMER, SUPER RICH PLANKTON 310 00:16:35,279 --> 00:16:36,863 BLOOMS GIVE AQUATIC CREATURES A 311 00:16:36,896 --> 00:16:38,898 HUGE STEROID BOOST. 312 00:16:44,437 --> 00:16:45,789 DURING WINTER, THE WATER 313 00:16:45,790 --> 00:16:47,140 TEMPERATURE DROPS TO JUST 41 314 00:16:47,173 --> 00:16:51,378 DEGREES FAHRENHEIT. 315 00:16:51,411 --> 00:16:54,347 - THIS ALLOWS DEEPER OCEAN OXYGEN - AND NUTRIENTS TO RISE TO THE 316 00:16:54,381 --> 00:16:56,106 SURFACE AND BE WASHED CLOSER TO 317 00:16:56,107 --> 00:16:57,830 SHORE. 318 00:17:05,250 --> 00:17:07,270 BARNACLES SWEEP FOR PLANKTON 319 00:17:07,271 --> 00:17:09,290 WITH THEIR FAN-LIKE FEET. 320 00:17:12,320 --> 00:17:14,934 - FEATHER DUSTER WORMS WAVE THEIR - STICKY TENTACLES, TRAPPING 321 00:17:15,350 --> 00:17:16,865 EDIBLE DEBRIS MUCH LIKE A 322 00:17:16,866 --> 00:17:18,380 SPIDER'S WEB. 323 00:17:26,379 --> 00:17:28,598 STARFISH HERE GROW TO ENORMOUS 324 00:17:28,599 --> 00:17:30,817 SIZES. 325 00:17:30,850 --> 00:17:32,852 SOME, LIKE THE SUNFLOWER STAR, 326 00:17:32,853 --> 00:17:34,854 REACH UP TO THREE FEET ACROSS. 327 00:17:37,557 --> 00:17:39,676 THESE GIANTS CAN HAVE UP TO 328 00:17:39,677 --> 00:17:41,795 15,000 TUBE FEET. 329 00:17:41,828 --> 00:17:43,797 THEY CAN MOVE AT MORE THAN A FEW 330 00:17:43,798 --> 00:17:45,765 FEET A MINUTE. 331 00:17:52,272 --> 00:17:54,274 MANY TIDAL CREATURES PREFER TO 332 00:17:54,275 --> 00:17:56,276 KEEP A LOW PROFILE. 333 00:17:58,478 --> 00:18:00,480 CAMOUFLAGE IS OFTEN KEY TO 334 00:18:00,481 --> 00:18:02,482 SURVIVAL. 335 00:18:05,118 --> 00:18:07,120 FOR A CRAB, BREAKING COVER IS A 336 00:18:07,121 --> 00:18:09,122 DANGEROUS DECISION. 337 00:18:13,793 --> 00:18:16,296 THE INTERTIDAL ZONE IS PATROLLED 338 00:18:16,297 --> 00:18:18,798 BY A MONSTER, AND CRUSTACEANS 339 00:18:19,933 --> 00:18:21,935 ARE ALWAYS ON THE MENU. 340 00:18:36,649 --> 00:18:39,652 - THE GIANT PACIFIC OCTOPUS IS THE - LARGEST IN THE WORLD. 341 00:18:42,822 --> 00:18:44,507 IT CAN HAVE AN ARM SPAN OF MORE 342 00:18:44,508 --> 00:18:46,192 THAN 30 FEET AND WEIGH MORE THAN 343 00:18:46,226 --> 00:18:48,228 FIVE HUNDRED POUNDS. 344 00:18:52,565 --> 00:18:54,067 FISH, SHARKS, EVEN BIRDS ARE 345 00:18:54,068 --> 00:18:55,568 SOMETIMES EATEN. 346 00:19:03,343 --> 00:19:05,067 PREDATORS ASIDE, THE INTERTIDAL 347 00:19:05,068 --> 00:19:06,451 ZONE CAN BE ONE OF THE MOST 348 00:19:06,452 --> 00:19:08,114 DANGEROUS HABITATS. 349 00:19:11,718 --> 00:19:13,270 HIGH TIDES BRING CRASHING WATERS 350 00:19:13,271 --> 00:19:14,821 CAPABLE OF CRUSHING ANYTHING 351 00:19:14,854 --> 00:19:16,873 UNTETHERED OR NOT GLUED TO THE 352 00:19:16,874 --> 00:19:18,892 ROCKS. 353 00:19:18,925 --> 00:19:20,794 LOW TIDES CAN EXPOSE PLANTS AND 354 00:19:20,795 --> 00:19:22,662 ANIMALS TO HOT SUN, FRESH WATER, 355 00:19:22,696 --> 00:19:24,698 AND DEHYDRATING AIR. 356 00:19:29,536 --> 00:19:31,738 - BUT WITH THE NUTRIENTS THAT - VANCOUVER ISLAND RECEIVES FROM 357 00:19:31,771 --> 00:19:34,096 THE LIFE CYCLE FROM ALL LIVING 358 00:19:34,097 --> 00:19:36,419 THINGS, ANIMALS CONTINUE TO 359 00:19:36,420 --> 00:19:37,935 THRIVE IN THIS UNBELIEVABLE 360 00:19:37,936 --> 00:19:39,450 HABITAT. 361 00:19:41,807 --> 00:19:43,492 THANK YOU FOR TRAVELING TO 362 00:19:43,517 --> 00:19:44,826 VANCOUVER ISLAND WITH US. 363 00:19:44,851 --> 00:19:46,649 IT'S A REGION FULL OF GIANTS 364 00:19:46,674 --> 00:19:48,596 BOTH ON LAND AND IN THE OCEAN 365 00:19:48,621 --> 00:19:50,273 WHO HAVE LEARNED TO MASTER THE 366 00:19:50,274 --> 00:19:51,925 COLD AND THE ELEMENTS TO MAKE A 367 00:19:51,958 --> 00:19:53,376 HAPPY HOME FOR THEMSELVES AND 368 00:19:53,377 --> 00:19:54,794 THEIR OFFSPRING. 369 00:19:54,828 --> 00:19:57,697 - WE LOOK FORWARD TO DISCOVERING - MORE WITH YOU ON OUR NEXT "EARTH 370 00:19:57,731 --> 00:19:59,649 ODYSSEY". 371 00:19:59,650 --> 00:20:01,670 [MUSIC] 25630

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