How much do kestrels cost
Kestrels are quite common here. Together with the common buzzard, they are probably the most common bird of prey species in the Kraichtal. Both species are of great ecological importance. Due to their prey spectrum, which mainly consists of small mammals, but also insects and other small animals, they play an important role in the control of crop pests. In areas with a high density of birds of prey, the pests can be controlled quite well. And if help such as sitting waiting is also offered, both are helped: the farmer and the bird of prey (A kestrel needs about 3 mice per day, and accordingly more during the breeding season). If such a seat attendant - or several of them - are set up in a field that is heavily afflicted by mice, success is guaranteed. This is also the case in this case, where the number of field mice was drastically reduced by setting up waiting areas. The little video film was made shortly after the waiting room was set up in the field.
The video can be viewed in full screen mode. The ESC key ends the screen view.
A male kestrel is eating a field mouse. The seat control offered is gladly accepted because the hunt from a control room costs much less energy than the hunt in the "shaking flight". And on a densely populated mouse meadow, such means "Wait" also a sure hunt success. For this reason, the same scenario could be observed over and over again in the following days. As a result, the problem in this field with alfalfa was finally resolved after a while. The great example also shows that farmers are willing to use other options for pest control if these options are available - a great contribution to the environment!
Stand hunting: Kestrels like to use elevated vantage points for their hunt for small mammals. This form of hunting saves energy.
A very common form of hunting is high seat hunting. The surrounding area is observed from an elevated vantage point (tree, pole, etc.). When a prey is discovered, the hawk pounces on the prey. This type of hunt is time consuming but often successful and saves energy.
A female kestrel shaking flight:
The vibration flight is also very promising, but it costs a lot of energy. That is why you can often see kestrels "hunting from high hide".
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