41. The zoo has successfully bred lions, royal Bengal tigers, Himalayan bears and white peafowl . 42. Petrie and her colleagues studied about 200 free-ranging peafowl in Whipsnade Park north of London. 43. As with the other member of its genus, the green peafowl can even hunt venomous snakes. 44. Ticks and termites, flower petals, buds leaves and berries are favorite foods of adult peafowl . 45. They have also produced hybrids with peafowl , chachalacas, capercaillie, grouse, quail, guans. 46. It is said that during the Peshwe dynasty many tamarind trees were planted and these attracted peafowl . 47. Endangered bird species include great hornbill, rufous-necked hornbill, green peafowl and crested argus. 48. Amotz Zahavi used the excessive tail plumes of male peafowls as evidence for his " Handicap Principle ". 49. In captivity hybrids are called " Spalding " peafowl and are used by breeders to create different breeds. 50. Upper Narrabundah was known for its small population of urban peafowl ( peacocks ) with their colourful feathers. 