From: Explaining variance of avian malaria infection in the wild: the importance of host density, habitat, individual life-history and oxidative stress
P. circumflexum
P. relictum
Uninfected
Infected
Young
n = 106
n = 21
n = 105
n = 22
Older
n = 144
n = 23
n = 124
n = 43
Female
n = 140
n = 121
n = 42
Male
n = 112
n = 110