... to the ongoing debate about the timing and origin of flight and echolocation in the early evolution of bats. "This discovery may change ... an independent anatomical characteristic to distinguish laryngeally-echolocating bats from all other bats." The investigation was made possible ...
... -frequency selection and sensitivity were strongly favored in echolocating mammals and because there are [apparently] very limited ... at Michigan, now show that convergence extends to echolocating dolphins. "We were surprised by the strength of support for convergence ...
... into the laboratory, the researchers were able to accurately recreate the echolocation calls using a custom-built ultrasonic loudspeaker ... Engineering at the University of Strathclyde, said, "We aim to understand the echolocation process that bats have evolved over millennia, and employ ...
... in that time, so vibrissae [whiskers] compare well with the performance of whales and dolphins by echolocation,' says Hanke ...
... . While scientists have understood for some time how bats use echolocation to find insects, this study by Stefan Greif ... Institute for Ornithology suggests that bats rely more on echolocation to assess their environment than other senses. Both captured ...
... to sense their surroundings. Some of these people are so adept at echolocation that they can use this skill to go mountain biking, play ... was carried out with sighted control people who did not echolocate, these individuals could not perceive the objects, and neither did ...
... nocturnal animals, bats rely echolocation to navigate and hunt prey. By bouncing sound waves ...
... . "We believe our findings help explain the differences in echolocation between freshwater and marine dolphins. Our findings imply ... inches. Like their marine relatives, they manage this using echolocation: They continuously emit sound pulses into the environment ...
... that blind and visually impaired people have the potential to use echolocation, similar to that used by bats and dolphins, to determine the location ...
... Kalko, from the University of Ulm, Germany, studied the echolocation behavior in 11 species of insect-eating ... . This is the first comparative field study of bat echolocation sounds focusing on intensity and the results revealed ...
... to produce and detect ultrasonic frequencies for communication and for echolocation -- bats, dolphins and whales, and some rodents -- which suggests ... "image" of its surroundings. The timing, bandwidth, and duration of echolocation signals directly impact the information available ...
... and navigation, but visually impaired humans also employ echolocation as part of their orienting repertoire while navigating the world. There are a few rare individuals who can echolocate very well without assistance. However, researchers ...
... produce tongue clicks to generate sounds for echolocation. Both bats and humans engage in so ...
... waves as they respond to various sounds, specifically the echolocation clicks of its main predators: the sperm whale ...
... with the blades. "Because bats can detect objects with echolocation, they seldom collide with man-made structures ...
