| studies of trichomonad protozoa in free ranging songbirds: prevalence of trichomonas gallinae in house finches (carpodacus mexicanus) and corvids and a novel trichomonad in mockingbirds (mimus polyglottos). | this study refutes the accepted dogma that significant pathogenic effects of trichomonas gallinae are limited to columbiformes and raptors in free ranging bird populations in north america. trichomonads were associated with morbidity and mortality amongst free ranging house finches (carpodacus mexicanus), mockingbirds (mimus polyglottos) and corvids (scrub jay: aphelocoma californica; crow: corvus brachyrhynchos; raven: corvus corax) in northern california. prevalence of trichomonad infection wa ... | 2009 | 19278788 |