Tag: all of Turdus

Vintage plate of mistle thrush

From 1902: This well-known species is distributed over the entire Paltearctic Region, although of very rare occurrence in the extreme eastern portion. In Western Europe it is migratory to a very great extent, although in some countries a resident species. When on the ground, and in the attitude of observation, it droops its wings a […]

Observations on Remating in the American Robin, Turdus migratorius

American Robin (Turdus migratorius) Science Article 4 abstract In suburban Baltimore, from 1942 through 1950, I color-banded both members of15 pairs of Robins. At the end of 1951 the record of returns and rematings showedthe following: 1) Both members of eight pairs returned in the year following theirfirst known mating; there was one remating HERVEY […]

Photoperiod Experiments on the American Robin

American Robin (Turdus migratorius) Science Article 1 abstract The American Robin of southwestern British Columbia was tested in captivity under four light regimes: LD 8:16, 12:12, 16:8, all under artifical light, and natural daylight increment from LD 12:12 to 16:8. Robins under the latter two regimes gained in gonadal weight and in follicular and seminiferous […]

Behavioral Defenses Against Brood Parasitism in the American Robin (Turdus migratorius)

American Robin (Turdus migratorius) Science Article 3 abstract In response to avian brood parasitism, hosts may develop a number of defenses to reducethe negative consequences parasitism can have on the host’s reproductive success. Thesebehaviors may include aggression towards a parasite, rejection of parasitic eggs, or nestdesertion. Comparisons of populations that are exposed to parasitism and […]

Mosquito Landing Rates on Nesting American Robins

American Robin (Turdus migratorius) Science Article 2 abstract We measured mosquito landing rates on adult and nestling American robins at nests with infrared cameras inWashington, D.C., and Maryland, United States. Mosquitoes landed on nesting robins almost exclusively betweendusk and dawn. SEAN M. GRIFFING rt al, VECTOR-BORNE AND ZOONOTIC DISEASES Volume 7, Number 3, 2007 Download […]