JP2001112405A - Method and apparatus for preventing bird damage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technique capable of preventing harmful birds damaging field crop, various kinds of facilities or humans and animals from approaching farmland. SOLUTION: A series of calls of a harmful bird 1 produced while the bird is caught by a catch device 2 and held by the hand 5 is dividedly recorded for each short time. The divided recordings 7a to 7x recorded several times, respectively are reproduced in the natural environment. A cut and divided recording produced when a harmful bird 1 of the same kind as that of the harmful bird 1 in the natural environment escapes is selected. The selected recording is edited as recording for preventing bird damage. This apparatus for preventing bird damage has recorded media 10-13 formed so as to be reproduced in a field, etc.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for controlling bird harm that prevents harmful birds that cause damage to agricultural crops, various facilities, livestock, and the like, and a bird harm control device used therefor.

[0002]

2. Description of the Related Art In recent years, the necessity of protecting birds has been called out, and the government has actively set laws and regulations for protection. Recently, the ibis bird is already in danger of extinction, so it is reminded that news sent from China and reported on television and newspapers every day and the prime minister of the country appealed to the people about the need to protect the ibis was reported. However, the opposite problem of birds also poses serious problems for human society. It means that humans are being damaged by birds. The main damage is caused by birds eating crops, but other damages include fecal damage, human illness caused by pathogenic bacteria in feces, and noise. Birds are sucked into the turbo engine and may damage the engine, or severe damage may cause the aircraft to crash. Thus, it has become important to develop a method for protecting birds and eliminating bird harm in human society. The only way to protect birds and eliminate bird damage is to remove them from the affected area. One of them is Naruko, which is described as a bird-following instrument in Heian period books.In modern times, there are scarecrows, eyeballs, explosion sound generators, etc. There was a problem that the effect was lost. In addition, the present inventors have proposed a technique of recording a scream that is emitted when a specific bird is threatened and a warning voice of another bird that has heard the scream, and playing back the broadcast to repel birds (Japanese Patent Publication No. No. 4-5407).

[0003]

By the way, there are only one kind of human, but the number of birds exceeds 9000, and if the evolutionary history of the bird is compared to one hour, the human is only three seconds. Does not trace the evolutionary history. It is certain that the bird's 150 million year evolutionary history has come to have a mysterious ability that humans cannot judge. For example, how do you hear your chick among hundreds and thousands of chicks in a breeding flock of seabirds, when the chicks sing, the parent bird automatically takes action to feed the chicks Encounters a mysterious phenomenon. The birds at the top of the bird's food chain are hawks and eagle species, and the birds below them feed on them. Signal the danger by calling. This companion is the same species and the other species is not a companion. Since the enemy is found to sing for a long time against that friend, all the screams that inform the danger are instantaneous. A lot of information is transmitted in the voice of the moment. It is said that birds singing has 10 times as much information as human voice. For example, if the squeal at the time of danger approach is 1 second, information corresponding to a human conversation of 10 seconds can be transmitted. So the information contained in the one-second call is the type of enemy, from which direction, it's dangerous to take off now, so hide, don't scream, don't get away fast because it's dangerous, don't get close, Such a large amount of information is included, and this information is conveyed to friends with a momentary cry. On the other hand, in the one proposed by the present inventors, the scream is a scream that shouted out of fear, and the scream itself does not contain information that informs a friend of danger. Subsequent research has shown that the effect of the ousting is a bit weak. It turned out that it was difficult to find a cry that conveyed danger to other people by simply approaching the natural enemy and telling them about danger. As described above, in the conventional method, since the screaming voice and the warning voice are used as they are as the bird chase voice without analyzing the squealing voice, there is a problem that the effect is weak or the response is slow.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to reproduce a cry which conveys the danger and the information to escape in a real manner to produce agricultural products and various facilities. It is an object of the present invention to provide a bird harm control method and a bird harm control device used for preventing a harmful bird causing damage to a field from approaching a field.

[0005]

According to a first aspect of the present invention, there is provided a method for controlling bird damage according to the first aspect of the present invention, wherein the birds are caught by a catcher and then caught by hand. When a series of singing sounds that occur after the recording are cut and recorded for a short time at a time, and the cut short singing sounds are reproduced multiple times each in the natural environment, and when the same kind of harmful bird as the harmful bird in this natural environment escapes The method is characterized in that the squeak is selected, and then the squeak is reproduced and used for bird damage control.

[0006] In the method for controlling bird damage according to claim 2,
(A) a first recording step of recording the singing sound produced when the harmful bird is captured by the catcher for a long time; (b) a second recording of the singing sound produced when the captured harmful bird is caught by hand for a long time.
A recording step, (c) a third recording step in which the sound of the harmful birds recorded in the first recording step and the second recording step is separately recorded in a short time, and (d) a call of the harmful birds in the third recording step. A fourth recording step in which a test recording medium is prepared by continuously recording a plurality of times each independently, and (e) a test recording medium in the fourth recording step is reproduced in the field to form a harmful bird of the same species as the captured harmful bird. A field test step of selecting a recording part that shows or leaves a warning reaction, and (f) an execution step of reproducing the recorded part selected in the field test step in a field or the like and outputting it in a loud speaker.

[0007] In the bird damage control apparatus according to claim 3,
A series of singing calls made after the bird was caught by the catcher until it was caught by hand and after it was caught by hand were recorded for a short period of time, and each of the separated recordings was recorded multiple times and played back in the natural environment. The recording medium is characterized in that it has a recording medium that is selected for recording when a harmful bird of the same kind as the harmful bird in the natural environment escapes, edited for bird harm control, and reproducible in a field or the like.

[0008]

[Function] As described above, the terrible ability of a bird to transmit a large amount of information to a companion in a momentary call is 150 million times.
It is the result of 10 million years of evolution. This voice is referred to herein as an "evolved voice." This "evolved voice" is a voice that has evolved to protect itself from natural enemies, and has an ecological function similar to the ability of birds to fly in the sky. "Evolution voice" is not something parents teach their children, nor what they learn.
It is something you have from birth. The feature of the present invention is to use the "evolutionary voice" as an innate natural ecological function for bird-following. Is the advantage. The novelty of the present invention lies in the application of the biological behavior of birds to bird damage control. To get rid of birds, it is necessary to stimulate the senses of the birds.
The nose, skin, and tongue are the most effective sensations of hearing. However, birds adapt and "get away" to mere sounds immediately, so they are not optimal as birds. However, the singing of birds singing and exchanging has evolved and evolved in a 150 million year history of evolution. This is an "evolutionary voice" that has an important meaning over survival and the survival of the species. This "evolved voice" can be roughly divided into two types, one is "song" related to the survival of the species, and the other is "ground squeal".
It is. Most of the former "songs" only sound males, which also sound females during the spring breeding season.
By listening to the male "songs," females are encouraged to secrete luteal hormones and enter the reproductive behavior. In other words, male "songs" are the most important calls that encourage breeding and leave seeds behind. The causal relationship between this "song" and the secretion of progesterone has not been elucidated scientifically, but this is one of the mysteries of birds. The evolution of 150 million years has evolved as the best way to preserve the species. This "song" cannot be used for bird hunting. Another cry that can be used for bird chasing is "ground crowing". A typical squeal of this "sound of the earth" is a squeal to inform a friend when a natural enemy or danger approaches. Other than that, there is a call that informs friends when they find food. Even if the “ground squeal” is simply recorded for a long time, it is not known which one is “a scream that informs a friend of the danger and runs away”. For this purpose, the present invention has found a method for selecting the evolutionary voice "a cry that informs a friend of the danger and escapes" from the squeal when captured by the trap and the squeal when the capturer caught by hand.
did. All of the calls that were captured were not "evolved voices" that contained information, but rather many that were just scary and crying. One of the problems is to select a squeal containing information of "dangerous escape", which is effective for bird following, and the present invention solves this problem.

According to the present invention, a squeal that screams when a harmful bird is caught by a catcher and a squeal that occurs when a captor catches the harmed bird by hand are recorded for a long time, and the screams are separated and re-recorded. From this cut-out recording, a cry that contains information that informs the birds of danger, such as the type of enemy, from which direction, it is dangerous to take off now, do not hide, do not cry, Escape quickly because it's dangerous
You have to find something that is dangerous and stay away.
Listen to the birds of the same species one by one and observe the behavior of the birds.In other words, the birds of the same species as the recorded birds run away suddenly while listening to the recorded voices cut in the field. The recorded sound at the time is a separated recording portion that can be used for bird chasing. In practical use, the recorded sound selected from the cut-out sound is recorded on a recording medium such as a tape, a CD, or an IC, and is reproduced to prevent damage by birds of the same species. Since various birds have different calls for informing the danger to their friends for each species, the calls for informing the danger of each harmful bird are selected and used according to the above-described method.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view showing a bird's harm control method of the present embodiment and the production of a recording medium used in the apparatus in the order of steps. (A) A first recording step of recording a singing sound produced when a bird is captured by a catcher for a long time. In this process, of the singing sounds that contain various information of the harmful bird 1, the singing sounds captured by the haze net (capturing device) 2 are recorded on a cassette tape (not shown) for a long time. It will be recorded on 3. In this case, it is necessary to use the sound collecting microphone 4 to keep the area around the haze net 2 unpopular.

(B) a second recording step of recording a singing sound produced when the captured harmful bird is caught by hand for a long time. In this process, of the singing sounds of the harmful birds 1 that are singing with various information, the singing sounds captured by the human hand 5 are recorded on the cassette tape 3 over a long period of time. In this case, by using the hand microphone 6 with good sensitivity, it is possible to record in a fine detail.

(C) a third recording step in which the singing of the harmful birds recorded in the first recording step and the second recording step is separately recorded for a short time. In this step, the squealing sound captured by the haze net (capturing device) 2 obtained in the above operations (a) and (b) and the squealing sound captured by the human hand 5 take a long time. The recording that passes is separated and recorded at intervals of 1 to 3 seconds.
FIG. 2 shows a simulated state of recording in the first and second recording steps, and is as follows. The "danger cry" is in the range of 300-15000 Hz. When captured, the harmful birds make a squeal, which includes not only "danger squeals" but also screams. 7a, 7b, 7c... 7x
And re-recorded, and let each bird hear the same kind of harmful bird and check the reaction.

(D) A fourth recording step in which the singing of the harmful birds, which is separated and recorded in the third recording step, is continuously and individually recorded a plurality of times to create a test recording medium. In this step, the test recording tapes 7a, 7b, and 4c are continuously recorded so that the recordings separated at intervals of 1 second to 3 seconds obtained in the operation (c) are repeated about 10 to 20 times.
7c,... 7x are created.

(E) A field test step of reproducing the test recording medium in the fourth recording step in the field and selecting a recording portion in which a bird of the same species as the captured bird shows a warning reaction. In this step, the test tape 7 obtained in the operation (d) is used.
a, 7b, 7c,... 7x are taken out to a field where many birds of the same kind as the birds that have recorded them are collected, and are played back by the playback device 8. In the test, each test tape is reproduced using a speaker 9 having a good frequency characteristic, and this is performed at least three times in different places. In this test, the test tape that was being regenerated when the harmful bird escaped suddenly is selected. A cassette tape 10 is produced by dubbing the selected test tape as a master tape. Or,
It is created using a recording medium such as a CD 11, MD 12, or IC 13. At the time of dubbing, a plurality of types of calls of other harmful birds selected in the above step may be recorded on the same recording medium.

[0015] (f) An implementation step in which the recorded portion selected in the field test step is reproduced in a field or the like, and is output largely by a loudspeaker. In the present step, the cassette tape 10 created in the above-described operation is used for reproduction by the reproducing device 14 in a field or the like that is likely to be damaged by the birds or has already been damaged. Speaker 1
5 is set according to the area. In this case, the cassette tape may be reproduced by a portable reproducing device 16 integrated with a speaker, or reproduced by a reproducing device installed in an agricultural cooperative 17 and wirelessly output 18, and this radio wave is transmitted by a receiver 19 installed in each field. You may make it receive and reproduce.

Next, the operation and effect of this embodiment will be described. First, in a field test, various behaviors such as no reaction of the harmful bird, no movement or movement of the bird, approaching the speaker of the playback device, and squeaking in response to the playback sound are observed. The calls that can be used for bird chasing are those that hear or flee. It is important to note in the field test that the birds to be repelled are of the same species as the recording tape and have no effect on other birds.

It is desirable that the reproducing apparatus for reproducing the tape is equipped with a speaker and has a capability of outputting a sound pressure of at least 80 horn. The harmful bird determines whether it is in the dangerous distance area or in the safety area based on the sound pressure. Therefore, if the sound pressure is low, if it is determined that you are in an area where you can escape even if danger approaches, you will not escape even if it is dangerous. As a result of the experiment, in many cases, the sound pressure of about 50 horns causes no reaction unless the sound is heard, so the boundary between the dangerous area and the safety area is about 50 horns. Even if the sound pressure is strong, if the place where the bird is located is far away, the sound pressure heard by the bird is naturally weakened, so it is determined that the bird is in the safe area and it will not escape.
In the case of a large damage area where bird damage occurs, it was found from these experiments that the effect would be better if the sound pressure was increased as much as possible and the number of speakers was increased.

The harmful birds hear the danger voice of "Danger, run away immediately" and react surprisingly, and flee at a glance. In addition, birds that hear this voice will not approach the escaped place for a while. Most of the evolved voices, the "dangerous escape", which is a dangerous voice, were in the range of 300 Hz to 15000 Hz, which is the human audible frequency. Experiments have shown that the birds do not transmit information at high or low frequencies that humans cannot hear, and that they all communicate in the same audible range as humans.

If a large number of test tapes can be heard by the same bird outdoors and escape, then any number of test tapes can be dubbed for practical use. The simplest method is to reproduce the dubbing tape at a place where bird damage occurs by using a commercially available recording / reproducing apparatus. It is more desirable that the playback device has a function to connect a speaker. When the voice of the test tape is input to a CD and used, unlike a tape, there is no deterioration, so no distortion of the cry is produced even if it is reproduced many times. In addition, as a practical application, if a large number of small and inexpensive reproduction devices are to be manufactured, a voice synthesis board in which electronic components such as a voice IC and an amplifier or a timer that store sound on a printed board are manufactured. There are ways. The timing to play at the place where the harmful birds are damaged is visually checked when the harmful birds fly and presses the playback switch to play the voice from the speaker and drives it away, but depending on the place, it may be played automatically . In that case, the time zone during which the harmful birds fly may be checked in advance and used in combination with a start timer that reproduces during that time zone. By adjusting the number of voices, sound pressure, and the number of speakers according to the damage situation, effective bird damage countermeasures are possible. As described above, according to the present embodiment, the harmful birds to be bird-fed can actually select the only singing sounds that escape by hearing the singing sounds of the harmful birds of the same kind as the harmful birds. It is possible to keep harmful birds away or to remove harmful birds, thereby eliminating damage to crops caused by harmful birds.

Although the embodiment of the present invention has been described above, the specific configuration of the present invention is not limited to this embodiment, and there are design changes within a range not departing from the gist of the invention. This is also included in the present invention. For example, the cassette tape may be formed and used endlessly. Further, a solar cell may be used as a power supply of the reproducing apparatus. Bird damage control can be applied not only to the above-mentioned fields, but also to various places such as facilities where people gather and hygiene is important, livestock breeding places, feed storage places, and the like.

[0021]

As described above, the bird damage control method and apparatus according to the present invention have the above-described configuration.
Reproduce the cry that conveys the danger and the information that escapes in a true manner.The effect is that the birds that cause damage to crops, facilities, livestock, etc. can be kept away from the birds, or they can be driven away to effectively control the damage caused by the birds. .

[Brief description of the drawings]

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an explanatory view showing a bird's harm control method and a recording medium used in the apparatus according to an embodiment of the present invention in the order of steps.

FIG. 2 is an explanatory diagram schematically showing a recording state of a first recording step and a second recording step of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pest bird 2 Haze net (capturer) 3 Cassette tape of the 1st recording process 4 Sound collecting microphone (Recording) 5 Hand of person catching harmful bird 6 Hand microphone (Recording) 7a-7x Test tape 8 Field test reproduction device 9 Field Test speaker 10 Cassette tape (recording medium) in fourth recording step 11 CD (recording medium) in fourth recording step 12 MD (recording medium) in fourth recording step 13 IC (recording medium) in fourth recording step 14 Tabata Playback device installed in the field 15 Speaker of the playback device installed in the field

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Takahiro Yamamoto 4-36-8 Kamo, Sawara-ku, Fukuoka F-term (reference) 2B121 AA07 BA37 DA58 EA21 FA13

Claims (3)

[Claims] 1. A series of singing sounds produced after capturing a bird by a catcher until it is caught by hand and after the catching is recorded and recorded for a short period of time, and each of the divided short singing is recorded a plurality of times. A bird pest control method comprising regenerating in a natural environment, selecting a squeal when a harmful bird of the same kind as the harmful bird in the natural environment has escaped, and reusing and using the squeak for bird harm control thereafter. 2. A first recording step of recording a singing sound produced when the harmful bird is captured by the catcher for a long time, and (b) a long-term recording of the crying sound produced when the captured harmful bird is caught by hand. The second recording step, (c) the first recording step and the second
The third recording step, in which the call of the harmful birds recorded in the recording step is separately recorded for a short time, and (d) the recording of the test, in which the singing of the harmful birds, which is separated and recorded in the third recording step, is continuously and individually recorded a plurality of times. A fourth recording step for producing a medium, and (e) a field for reproducing the test recording medium in the fourth recording step in the field to select a recording portion in which a bird of the same species as the captured bird shows a warning reaction or flies away. A bird damage control method, comprising: a test step; and (f) an implementation step of reproducing the recorded portion selected in the field test step in a field or the like and outputting a large output by a loudspeaker. 3. A method in which a series of singing sounds produced after capturing a harmful bird by a catcher and thereafter being caught by hand and after being caught by hand are recorded for a short period of time, and each of the divided recordings is recorded a plurality of times. It is necessary to have a recording medium that is reproduced in a natural environment, and that has a recording medium that is selected for cutting and recording when birds of the same type as the harmful bird in the natural environment have escaped, edited for bird harm control, and formed to be reproducible in a field or the like. Characteristic bird damage control equipment.