Volume 12, Number 7—July 2006
Research
Migratory Passerine Birds as Reservoirs of Lyme Borreliosis in Europe
Figure 2

Figure 2. Frequency distribution of subadult tick infestations of migratory birds captured at Ottenby Bird Observatory, Sweden, 2001. Aggregation of risk of infestation is shown in the inset. Three birds with 26, 33, or 40 ticks, most of which were larvae, are excluded from the figure.