| 单词 | migrator |
| 例句 | You can time your visit to coincide with the arrival of your favorite migrator or with the deer lek. Returned to the wild: A 3,500-acre estate outside London is ruled by nature 2019-01-03T05:00:00Z The study focused on birds that move at night, as most migrators do, particularly perching birds such as warblers, thrushes and sparrows. Solar Storms Can Hinder Bird Migration 2023-10-10T04:00:00Z Octopus, lanternfish, siphonophores and other motley deep-sea creatures also make the nightly trek to avoid their own predators and to find food—in their case, the other migrators. Greatest Migration on Earth Happens under Darkness Every Day 2022-08-20T04:00:00Z Some animals prey on ungulates, and numerous organisms depend on the biological activity sparked by hooves and the spreading of seeds and other material in migrators’ urine and feces. Gazelle Traveled Distance of Nearly Half Earth’s Circumference in Five Years 2022-04-07T04:00:00Z The finding adds to evidence that migrators don’t always head back and forth between two fixed points, but instead follow food and avoid floods, fires, and other disturbances. War halts project to track wildlife from space 2022-03-23T04:00:00Z Scientists also agree that changing light intensity is the primary environmental cue for migrators, says Heather Bracken-Grissom, a marine biologist at Florida International University. The Ups and Downs of a Great Vertical Migration 2021-12-06T05:00:00Z Passing cold fronts are great importers of migrators. What to know about the autumnal equinox as the days shorten before our eyes 2021-09-21T04:00:00Z Fecal pellets from vertical migrators, rich in carbon, descend through the water column. Greatest Migration on Earth Happens under Darkness Every Day 2022-08-20T04:00:00Z Nearly everybody has heard of the amazing migrations of the monarch butterflies, but there is another butterfly that is a phenomenal migrator — painted lady butterflies. Try a little butterfly viewing in Okanogan County | Provided by Okanogan County Tourism Council 2021-08-27T04:00:00Z Whooping cranes are long-distance migrators, and when their numbers declined so precipitously that there were no adult birds to teach young birds the route, conservationists stepped in and used ultralight airplanes as whooping crane tutors. Meet the Other Social Influencers of the Animal Kingdom 2021-05-07T04:00:00Z Research has found that migrators off Santa Catalina Island in California tend to stick together in coherent groups or schools as they travel, which may reduce the risk of being eaten. The Ups and Downs of a Great Vertical Migration 2021-12-06T05:00:00Z While up north, this bird apparently fell in with a flock of migrators and headed to the Chesapeake Bay region for the winter, where she was shot by a hunter in Maryland. Do Canada geese still fly south for winter? Yes, but it's complicated 2020-12-16T05:00:00Z There she's adding stereoscopic cameras and vision algorithms to autonomous vehicles so they can carefully track the movements of specific migrators. Greatest Migration on Earth Happens under Darkness Every Day 2022-08-20T04:00:00Z David S. Wilcove, an ecologist at Princeton, praised the study but said he would like to see a ranking based on more precise measurements of the migrators’ routes. Still the Undisputed Champs of Mammalian Migrations 2019-11-13T05:00:00Z They are among the great migrators, with the Pacific grays swimming between Alaska and Mexico. Gunther the gray whale given a final resting place near Port Hadlock 2019-06-22T04:00:00Z The presence of predators also prompts some migrators to delay their trek. The Ups and Downs of a Great Vertical Migration 2021-12-06T05:00:00Z In spring, marathon migrators like yellow warblers — five inches long and weighing nine grams preflight — travel more than 2,000 miles from Central America to nest in willows, aspens and cottonwoods in North America. California’s Birds Are Testing New Survival Tactics on a Vast Scale 2018-07-30T04:00:00Z To better understand the movements of trillions of copepods, krill and other elusive migrators, this summer Benoit-Bird and her colleagues will return to sea. Greatest Migration on Earth Happens under Darkness Every Day 2022-08-20T04:00:00Z Humpback whales are skilled acrobats, emotive singers and the most ambitious migrators of all mammals. Clever Humpbacks Move In for a Meal at Salmon Hatcheries 2017-07-12T04:00:00Z But since the birds are seasonal migrators that depart the Bay Area relatively early in the season, they weren't always available for study. In honor of Pixar's adorable "Piper," here's The Verge's review of sandpipers 2016-06-26T04:00:00Z The researchers call for more international cooperation to deal with the migrators’ declines. Just one poorly protected stopover can doom a migrating bird 2015-12-03T05:00:00Z “I can always tell who the migrators are,” Dr. Steinberg says describing the organisms concentrated in the plankton net. Submarines and Sea Monkeys 2015-12-01T05:00:00Z This allowed him to identify the late migrators even before the migration began. Study finds climate change driving salmon evolution 2012-07-23T19:28:03Z In the 1980s, the genetically marked late migrators made up about a third of the population. Observatory: Alaskan Salmon Evolve Along With the Climate 2012-07-16T20:06:33Z Everywhere this great multitude of migrators was well received by the inhabitants. Teutonic Mythology, Vol. 1 of 3 Gods and Goddesses of the Northland 2011-10-31T02:00:30.820Z Huge areas of Montana and South Dakota are also at risk, especially from sanguinipes, the migrator, one of the most feared of 100 grasshopper species on the plains because of its startling mobility. Going to War Against Grasshoppers 2010-06-10T03:46:00Z A society of migrators, a system woven upon shooting particles, like a rainbow on the rain, was odd. Lippincott's Magazine of Popular Literature and Science Volume 12, No. 29, August, 1873 The grandson of the migrator, the father of the Chou founder, had various little wars with a tribe called the Dog Tartars. Ancient China Simplified The ring-ousel, you find, stays in Scotland the whole year round; so that we have reason to conclude that those migrators that visit us for a short space every autumn do not come from thence. The Natural History of Selborne |
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