A University of California, Berkeley law school graduate was sentenced to probation on Monday for beheading an exotic bird at the Flamingo is Las Vegas back in 2012. Justin Teixeira received the four years of probation after completing a prison boot camp program that consisted of 190 days of counseling, educational and physical training programs, the Las Vegas Review-Journal reported. His sentence also includes 16 hours a month of unpaid work at an animal shelter. Teixeira pleaded guilty to the felony last year for decapitating a 14-year-old helmeted guinea fowl at the Flamingo’s Wildlife Habitat. Thanks to his deal, the…