According to the FBI website www.fbi.gov 2010 salary table, agents beginning with an undergraduate degree are hired in at a GS-7 rating, while those who have an advanced degree begin with a GS-9 rating.
A peacock makes an eery high pitched sound that resembles a baby crying! This sound has fooled many people. They are making these sounds as mating calls.peacock sound is called scream.
Courtship behaviour of peacocks. Intermediate Tier. The peacock (the male peafowl) is immediately recognisable to most people because of his extravagant train or tail, see Figure 1. When the train is exposed in the breeding season it is a large, colourful and impressive signal to a female of his readiness to mate.