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A bird control spike, also known as an anti-roosting spike, [1] pigeon spike, or roost modification, is a device consisting of long, needle-like rods used for bird control. Bird control spikes can be attached to building ledges, street lighting , and commercial signage to prevent wild or feral birds from perching or roosting.
[2] Manually operated laser torches and automated laser bird deterrent robots that move the laser automatically towards the birds are available on the market. Research conducted at Wageningen University [3] shows the potential of laser technology to prevent the spreading of Avian Influenza. When the laser was used at a poultry farm, a 99.7% ...
During the 1986 visit of Queen Elizabeth II to China a flock of pigeons fitted with whistles was released in Tiananmen Square. [2] Owing to the progress of urban development and increasing regulation of pigeon keeping the sound of the pigeon whistle, commonly heard in cities before the 1990s, has become rare in modern China. [3]
Using wooden camera models which weighed 30 to 75 grams (1.1 to 2.6 oz), the pigeons were carefully trained for their load. [8] To take an aerial photograph, Neubronner carried a pigeon to a location up to about 100 kilometres (60 mi) from its home, where it was equipped with a camera and released. [9]
Pigeons were first domesticated over 10,000 years ago in the Mediterranean region. At the time these birds were sort of everything to us. They were a source of food and a way that we communicated ...
Alternatively, prey animals may ward off attack, whether by advertising the presence of strong defences in aposematism, by mimicking animals which do possess such defences, by startling the attacker, by signalling to the predator that pursuit is not worthwhile, by distraction, by using defensive structures such as spines, and by living in a group.
Every morning, from 5 to 9, before thousands of spectators enter and play gets underway, the beloved Harris' hawk flies over the world’s most manicured tennis courts and keeps the pesky nuisance ...