单词 | leopard frog |
例句 | One family alone spent two years rescuing a dwindling population of endangered Chiricahua leopard frogs by replenishing water holes and building an artificial stream. Border fence’s devastating toll 2012-09-18T22:00:00Z “We’re working to bypass those threats through critical growth stages and establish a new population of northern leopard frogs in the region.” Western WA wildlife park releases endangered frogs into wild 2023-09-07T04:00:00Z They said they also are concerned that explosions to clear rugged territory will endanger the Guadalupe Canyon, home to wildlife such as jaguars, ocelots, rattlesnakes and the Chiricahua leopard frog. Feuds flare along Trump’s border wall as construction ramps up during his final days in office 2020-12-03T05:00:00Z If Chiricahua leopard frog conveys a kind of poetic resonance to people like me, then for millions of others chanting "Build the Wall!" is like hitting a big bass drum. Making America great again in a new Wild West 2020-01-21T05:00:00Z The tadpoles include three native species: the leopard frog, the boreal chorus frog and the tiger salamander. Research examines groundwater contamination in North Dakota 2019-07-27T04:00:00Z University of Vermont herpetology lecturer James Andrews estimates that the population of the northern leopard frog has leaped a hundredfold in a region near the Otter Creek in Addison County. Frog population explodes in region of Vermont 2019-07-25T04:00:00Z In early spring, the Washington Department of Fish and Wildlife collected northern leopard frog eggs and took them to Northwest Trek and the Oregon Zoo to grow from egg masses to tadpoles to froglets. Western WA wildlife park releases endangered frogs into wild 2023-09-07T04:00:00Z We quickly spy a northern leopard frog, which Yankowiak says is prolific here even though it’s on the state’s special concern list, not yet threatened or endangered. Fort Wayne berm built to keep Asian carp out of Great Lakes 2018-06-28T04:00:00Z Servoss attributes the snake’s frequent re-appearance near Bill Williams River, at least in part, to populations of lowland leopard frogs, a critical prey for the snakes. Scientists rediscover snake believed to had vanished 2018-01-07T05:00:00Z The Washington Department of Fish and Wildlife will be collecting public comments through Feb. 25, 2017 on sea otters, grizzly bears, ferruginous hawks, northern leopard frogs, Larch Mountain salamanders, and four species of whales. State wildlife officials begin wildlife status reviews 2016-02-25T05:00:00Z The northern leopard frog lays its eggs in the grassy flood plains of the creek; normally many of those eggs would have dehydrated as fields dried out, but that didn’t happen this year. Frog population explodes in region of Vermont 2019-07-25T04:00:00Z The team was joined by three British Columbia entities interested in protecting Northern leopard frogs in the Creston Valley in Canada. Bullfrogs threatening native Northwest species 2015-07-07T04:00:00Z Species in decline included the bullfrog, the green frog and the Southern leopard frog. Richmond man monitors welfare of frogs 2014-06-29T04:00:00Z Northern leopard frogs are found in the northern and western United States and southern Canada. Flame Retardant Chemicals Weaken Frogs Immune Systems 2014-05-13T16:15:00Z A study of Minnesota’s northern leopard frog fingered farm chemicals as a contributor to its decline, according to the journal Nature . Frog, toad and salamander populations plummeting, U.S. survey finds 2013-05-22T23:46:26Z The first clones In the early 1950s, at the Lankenau Hospital Research Institute in Philadelphia, Robert Briggs and Thomas King successfully cloned 27 northern leopard frogs through a process known as nuclear transfer. Will Cloning Ever Save Endangered Animals? 2013-03-11T11:15:00.737Z Just recently, for instance, a new species of leopard frog was found in ponds and marshes in New York City. Opinion: Are We in the Midst of a Sixth Mass Extinction? 2012-06-01T19:54:33Z And then there’s an unusual type of leopard frog in southern Virginia. Richmond man monitors welfare of frogs 2014-06-29T04:00:00Z One of the latest additions to the tree of life is a new type of leopard frog. Frog Species Found In Big Apple 2012-03-20T02:15:00.207Z Here’s what we’re reading this morning, starting with The Times’s section: A new species of leopard frog, distinguished from others by its croak, was discovered on Staten Island. City Room: Morning Buzz, March 14: Selling a Sugar Factory 2012-03-14T13:06:42Z There are more than a dozen leopard frogs, ranging from Canada to Central America. New Leopard Frog Species Is Discovered in N.Y.C. 2012-03-14T02:01:19Z Now researchers report in Conservation Genetics that the frog is genetically identical to a lineage of the Chiricahua leopard frog found in the Mogollon Rim of central Arizona. Observatory: A Frog Endangered, but Extinct No More 2011-06-17T18:08:58Z Even the smallest newly metamorphosed bullfrogs and leopard frogs would be large enough to catch and eat them. Field Study of Kansas Ant-Eating Frog So they tracked down four leopard frog populations with the unique call—including one within view of the Statue of Liberty—and took DNA samples. Frog Species Found In Big Apple 2012-03-20T02:15:00.207Z That of the bull frog is lower, from 50 to 75; and in the leopard frog the range is from 80 to 125. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. The researchers say that the new frog species was confused for a long time with the southern leopard frog, which it closely resembles. New Leopard Frog Species Is Discovered in N.Y.C. 2012-03-14T02:01:19Z The closest relative of the Vegas Valley leopard frog was thought to be the Relict leopard frog. Observatory: A Frog Endangered, but Extinct No More 2011-06-17T18:08:58Z The bullfrog and leopard frog probably take heavy toll of both the adults and the newly metamorphosed young at the breeding ponds. Field Study of Kansas Ant-Eating Frog As they suspected, the odd croakers weren't southern or northern leopard frogs, or even a mix. Frog Species Found In Big Apple 2012-03-20T02:15:00.207Z There are more than a dozen species of leopard frogs in North America, all characterized by dark spots on their bodies and difficult to distinguish from one another. Observatory: A Frog Endangered, but Extinct No More 2011-06-17T18:08:58Z She compared it with the DNA of southern and northern leopard frogs, which range widely north and south of New York City. New Leopard Frog Species Is Discovered in N.Y.C. 2012-03-14T02:01:19Z |
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