Experimenters have established the use of a time-compensated sun-compass by homing pigeons and diurnally migrating songbirds. |
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Most skeptics are homing in on what looks like a halting drive to beef up domestic defenses against terrorists. |
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Henry, a long-term dog of ours who would never have been homed, is actually a possibility for homing now. |
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Deep furrows creased his handsome face as he attached the vital message to the homing pigeon's leg. |
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It should now be clear that trying to settle this flock elsewhere is almost impossible bearing in mind their strong homing instincts. |
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The relocation operation relies on the birds' excellent natural homing instinct, which compels them to return to the site where they hatched. |
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Over generations of grazing on the same land the flock has developed a homing instinct, which means that they do not stray from their pastures. |
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Male black bears have remarkable homing instincts as well and have traveled great distances, some up to 400 miles, to return to their homestead. |
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Like homing pigeons, some types of amphibious snakes have an unstoppable urge to return home. |
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There is general agreement that homing pigeons use the sun as a compass reference. |
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Researchers say their study proves for the first time that homing pigeons can sense Earth's magnetic field. |
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Fortunately I have the innate navigation abilities of a homing pigeon, so I headed west towards central London. |
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One worker at the same site stole diamonds by tying a small bag to a homing pigeon, which would fly the diamonds back to his house. |
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A flock of homing pigeons soared into the azure sky, dispersing before the gates of the city, each striking towards its own destination. |
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A homing pigeon with a small bar magnet attached to the back of its head takes much longer to fly home! |
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So instead of going to Fort Jesus I went back to the carpets and antique shop like a homing pigeon on its way home. |
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Trained homing pigeons can find their way over distances as far as 600 miles. |
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This makes a great deal of sense if we consider the evolutionary origin of homing pigeons. |
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I thought the bird should make its own way home being a homing pigeon, but I was quite happy to give it a lift. |
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The precise navigation of birds has been studied most extensively in migratory songbirds and the homing pigeon. |
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Cell phones have been implicated in the disappearance of more than 2,000 homing pigeons during two races in Virginia and Pennsylvania. |
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Bomb varieties can be anything from a simple mortar to homing missiles that purposely land on either side of your enemy. |
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It is an optically-sighted weapon, but also contains a heat-seeking homing device. |
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The arsenal of weapons include homing plasma guns, rockets, proximity grenades, Gattling guns and much more. |
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The teams marked drop zones and set up radar homing devices to guide aircraft to there targets. |
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This means the shell is going to combine the qualities of a controlled and homing weapon. |
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Carbon dioxide acts like a homing device, guiding pesky mosquitoes to their dinner. |
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Often, in the mid-Atlantic, after forcing U-boats to crash-dive, carrier planes dropped homing torpedoes on the submarines. |
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New types of torpedoes were hurried into production, the most important being the Mark 18 electric and the homing types. |
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He didn't look to the left, he didn't look to the right, he came straight in the door and ran straight down to my brother like a homing missile. |
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Further employment of the infra-red spectrum may be found in aerial combat with the infra-red homing missile. |
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His truck had a homing device hidden under the front left wheel, and even the phones at work were tapped. |
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Because both are anadromous species with weak homing instincts, they colonized coastal streams far from the original points of introduction. |
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Over generations of grazing on the same land, the flock has developed a homing instinct, which means that they do not stray from their pastures. |
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On the edges of the old city a few foxes lope, a few late drinkers follow their homing instinct. |
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All money nowadays seems to be produced with a natural homing instinct for the Treasury. |
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The latest animal to display an extraordinary homing instinct is Basil, the Welsh cob. |
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Nobody knows for certain why birds react in this way and why they have a homing instinct. |
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Domestication of the homing pigeon has provided researchers with a powerful tool to investigate avian navigation. |
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A flight of homing pigeons scramble to get airborne from their loft in an old shed. |
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Rather than plucking random pigeons off the street, she got in touch with pigeon fanciers who owned homing pigeons. |
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Fifty-eight homing pigeons took part in the auction, which attracted over 200 fans of homing pigeons to the event. |
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A homing pigeon can find its way back to its loft from nearly a thousand miles away. |
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The response of homing pigeons to some treatments was dependent on how far they were released from the home loft. |
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The 40-year-old jobless man was arrested recently for stealing 30 homing pigeons. |
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It encodes a bifunctional protein with two domains, a homing endonuclease and a self-splicing intein. |
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Approximately 4,600 small interceptors would be deployed in orbit, each capable of homing in on and destroying incoming hostile warheads. |
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The decoys are controlled over a serial data link to decoy passive and active homing torpedoes. |
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When we're homing in on a suspect ship Caspar keeps an eagle eye from the gun deck, eager to get out there and do his job. |
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Some researchers have suggested that kestrels may track voles by homing in on trails that the little rodents have scent-marked with urine. |
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He went still, the old urge taking over, homing in on the sound like a cow hearing the bawl of her calf. |
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He's made points that are highly questionable instead of homing in on the real issue. |
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The flares are fired when the crew detect, by radar, they are being chased by a missile homing in on the hot exhaust of the plane. |
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It turned out that the chopper was homing in on the emergency locator beacon that activated when the raft was inflated. |
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They are asking producers for keyed ignition switches, tracking systems and machines with homing devices. |
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Descended from wild rock doves, homing pigeons can locate their lofts, or roosts, even when released several thousand miles away. |
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There are homing rockets, underwater torpedoes, water mines and cannon shells plus a few others to hunt down enemy boats. |
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A guided missile corrects its trajectory as it flies, homing in, say, on the heat of a jet plane's exhaust. |
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Zoologists at Oxford have come up with a new theory to explain how homing pigeons navigate. |
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Mines can be sown in deep water, and are propelled at high speed towards a target, like a miniature homing torpedo. |
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In this study, we hoped to determine whether or not stinkpot turtles, like other turtles, exhibit homing behavior. |
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Insects respond to polarized light, and this capacity is used in orientation and homing behavior. |
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So while the mother sharks are homing to the same nursing grounds, roving males ensure that the population remains genetically diverse. |
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By now reddish feathery streaks coloured sections of the blue sky, and more birds were homing towards their nests. |
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Originally from Europe, Northern Africa, and India, the Rock Pigeon was domesticated and raised for food and trained for homing. |
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Making these pigeons anosmic had essentially no effect on either the pigeons' orientation or homing. |
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In homing pigeons, a bird is considered to have successfully homed when it returns to its home loft-a highly localized navigational goal. |
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Well of course we all remember imagery from 1991 of smart weapons homing in on their targets. |
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This is where computing power is useful, in identifying the target and homing in on it. |
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The dangerous missiles were entirely passive, homing in on infrared radiation given out by our aircraft and emitting no signals by which a missile lock could be detected. |
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It is armed with one homing torpedo, one torpedo rocket and twelve bombs. |
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However, the German response was to develop the first homing torpedoes. |
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Clearly, at least some pigeons make use of landmarks in their homing. |
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To send our secret reports back to Finland, we'd use homing pigeons. |
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It can be fired as a long-range standoff missile, or its all-aspect passive radar homing seeker can be used to detect and attack targets of opportunity. |
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Missiles streaked across the darkness of space, casting an orange glow until they reached maximum velocity and cut their engines, homing in on their targets. |
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They really should make homing devices to go with TV remotes. |
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Birds such as the homing pigeon comprise most of the short list. |
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Cochran et al. have shown that Catharus thrushes calibrate their magnetic compass on a daily basis using twilight cues, apparently just the reverse of what homing pigeons do. |
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In fact, Lew has a well-deserved reputation for homing in on the values that lurk behind the numbers. |
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Over the years, she has facilitated the transporting, homing, and re-homing of more than 250 dogs. |
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Like a homing device, it zipped over the net, into the corner of the court, and past the helpless Dabul to win the point. |
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While air-conditioning and alloy wheels are big after-sale sellers for any vehicle, it's the multi-purpose vehicle market which manufacturers are homing in on. |
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The radar homing head is active monopulse and frequency agile. |
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These radio units help skiers caught in an avalanche to locate each other, emitting a stream of high-pitched bleeps like a comedy sci-fi homing device. |
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A homing pigeon has turned up at a South African diamond mine after being blown off course while flying to England from France, its owner said yesterday. |
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The homing instinct of stem cells has been exploited in animal experiments to deliver a 'suicide gene' to tumour cells, leaving normal tissues unharmed. |
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Britain's Cold War spymasters secretly discussed plans to train flocks of homing pigeons to attack enemy targets with tiny but deadly biological weapons. |
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On one of his trips, Amundsen took a homing pigeon with him. |
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Their homing abilities could also provide scientists with new clues to the long-debated role of the Earth's magnetic fields in animal movements and migrations. |
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That signal would act both as a homing device for Migilas to find the particular landing bay they were in, as well as allow her to override its door control mechanism. |
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This homing behavior has been documented in other parts of the globe. |
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The 1991 Iraq campaign introduced home-viewers to the murky, underwater green shots of guided missiles homing in on windows and chimneys of buildings. |
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The romantic image of the homing pigeon using mysterious forces to navigate its way hundreds of miles back to its perch appears to be no such thing. |
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Mice would need to be released some distance away, as mice have a strong homing instinct. |
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During Goldfinger, Bond was issued with an Aston Martin DB Mark III with a homing device, which he used to track Goldfinger across France. |
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And the main difference between a homing pigeon of old, and a stool pigeon of today? |
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Gradually, improving Allied technologies such as the Leigh light, hedgehog, squid, and homing torpedoes proved victorious. |
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It differs from the homing mine in that its mobile stage is before it lays in wait, rather than as part of the attacking phase. |
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Pigeons, especially homing or carrier breeds, are well known for their ability to find their way home from long distances. |
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Clinically healthy homing pigeons may serve as an unnoticed reservoir for zoonotic bacteria. |
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From June to November in 2011, 2012 and 2013, we located squirrels during daylight hours via simultaneous biangulation and homing. |
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These results indicate that EMPB also enhanced the homing of MSCs from systemic circulation to the wound site. |
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In short, homing in on the banal thwarts the fulsomeness that is an essential property of oral storytelling. |
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Launched in Mitcham, South London, the centre cost a fifth of what a permanent animal homing unit would have done. |
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When recordings of male leafhopper vibrational signals were played, spiders began homing in on the signal and searching for food. |
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Responses to magnetic fields by homing pigeons, fruit flies and flatworms also are apparently affected by lunar phase. |
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Other approaches used in pigeon homing studies make use of the direction in which the bird vanishes on the horizon. |
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Strela 2M is a man-portable, shoulder-fired, low-altitude surface-to-air missile system with a high explosive warhead and passive infrared homing guidance. |
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Site fidelity and homing behaviour in coral reef cardinalfishes. |
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After WWII, with the development of the homing torpedo, better sonar systems, and nuclear propulsion, submarines also became able to hunt each other effectively. |
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As well as food and pets, domesticated pigeons are used as homing pigeons. |
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Among the stages of the trip are swim-up fry, stream predators, Wooley Creek Refuge, a smolt in the estuary, shark strike, salmon trollers, homing, and spawning. |
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Homing behavior is known to occur in other reptiles, such as crocodiles and sea turtles. |
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Homing pigeons taken from their lofts and released as far away as 1,000 km in unfamiliar territory return home. |
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Homing pigeons are said to take much longer to navigate to their destination prior to earthquakes. |
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Homing behavior has been shown to depend on olfactory memory. |
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