Title: Threat Display Behaviors Source: Blurton Jones (1968) Description: Preceding-following contingencies for certain types of threat display behaviors shown by a common bird, the great tit. The numbers correspond to the proportion of times that the behavior in column j followed the behavior in row i. For example, feeding follows fluffing 3 percent of the time. The types of behavior are: 1 Attack 2 Head down 3 Horizontal 4 Head up 5 Wings out 6 Feeding 7 Incomplete feeding 8 Hopping around 9 Hopping away 10 Crest raising 11 Fluffing 12 Looking around 13 Hopping towards