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Harp Trap
A harp trap is a device used to capture bats without exposing them to disentangling from traps like mist nets and hand nets. It capitalizes on bats' flight characteristic of turning perpendicular to the ground to pass between obstacles, in this case the trap's strings, in which flight attitude they cannot maintain their angle of flight and drop unharmed into a collection chamber.V. C. Ashton. 2004.Design and Use of a Harp Trap for Assessment of Resident Microchiropteran Species and Associated Ectoparasites at Stinking Hole, Dominica" Texas A&M University Archbold Tropical Research and Education Center Study Abroad Program in Dominica, Study Abroad 2004. Invented in 1958 by US Public Health Service veterinarian Denny Constantine,D. G. Constantine. 1958. "An automatic bat-collecting device." ''Journal of Wildlife Management'' 22(1):17–22. . . the harp trap has been modified for different applications and efficiencies by users, including Merlin Tuttle's double harp trap in 1974,M. D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harp Trap Borneo
The harp is a stringed musical instrument that has a number of individual strings running at an angle to its soundboard; the strings are plucked with the fingers. Harps can be made and played in various ways, standing or sitting, and in orchestras or concerts. Its most common form is triangular in shape and made of wood. Some have multiple rows of strings and pedal attachments. Ancient depictions of harps were recorded in Current-day Iraq (Mesopotamia), Iran (Persia), and Egypt, and later in India and China. By medieval times harps had spread across Europe. Harps were found across the Americas where it was a popular folk tradition in some areas. Distinct designs also emerged from the African continent. Harps have symbolic political traditions and are often used in logos, including in Ireland. History Harps have been known since antiquity in Asia, Africa, and Europe, dating back at least as early as 3000 BCE. The instrument had great popularity in Europe during the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
