The crow family (Corvidae) has members that are above average in size for the bird order Passeriformes; in fact, it includes several that are among the largest. Many members of this group show themselves to have a flexible approach to their food-finding and interaction between fellow species members and other animals. Some of the larger species (especially in the genus Corvus) also show levels of learned behavior of a high degree, and even insight in some examples that can be interpreted as intelligence.
There are many species in this family, but they can be divided into well-defined groups.
Corvids are generally bold, noisy and gregarious (tending to form a group with others of the same kind), with evidence they originated from Australia.
Corvids do not show any difference between the male and female (sexually monomorphic) and they tend to be dressed in colors of fl, brown, grey, white and blue.
Most of the larger corvids have a strong, slightly curved bill shape with nasal bristles, whilst the smaller corvids often have a straight, pointed bill shape and no nasal bristles.
When we think of corvids we think of the Crow, this is of course the Carrion Crow, often this birds name is used to cover 3 separate species of Corvid.
The idea of owl decoys is that the Corvids come into mob them, i have found this to be not very effective to attract in Corvids, from what I have found you may bring in one or two but for real pest control they are not the best method.
Often not so may are needed to bring in the corvids but they must be placed in a highly visible area or the corvids will ignore them, they also must be on a patch of land with something which a corvid would want to eat.
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