Birds, malaria, Animal populations, Animal diseases, Passeriformes - genetics, model selection, Generalized linear models, Plasmodium - genetics, Berthelot's pipit, environmental predictors, Avian malaria, Plasmodium - isolation & purification, Haemosporida - isolation & purification, Passeriformes - parasitology, Bird Diseases - parasitology, Avian - epidem...