Tag: Ixoreus naevius

Occurrence of Collyriclum taba (Trematoda) in a Varied Thrush with a note on a single bird’s internal parasites

Varied Thrush (Ixoreus naevius) Science Article 3 abstract parasites.–A Varied Thrush (Ixoreus naevlus) was obtained on 18 November 1960, near Woods Creek, Benton County, Oregon. The bird was infected with 14 mature Collyriclum faba. The flukes were in pairs, in subcutaneous cysts adjacent to the anus. The paired flukes were not equal in size. ALBERT […]

AN ORANGELESS MUTANT OF THE VARIED THRUSH AND ITS BEARING ON SEX COLOR-DIFFERENCES

Varied Thrush (Ixoreus naevius) Science Article 2 abstract From a study of a partially albino female Varied Thrush, certain inferences are suggested with regard to sex coloration, principal of which is that, in Ixoreus, the sex difference in pigmentation is quantitative rather than qualitative. J. EUGENE LAW, THE CONDOR Vol. 23, 1931 Download article download […]