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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 […]

Individual variation in fruit choice by american robins (turdus migratorius)

American Robin (Turdus migratorius) Science Article 6 abstract I tested American Robins (Turdus migratorius) for individual differences in fruitconsumption and preference when offered six trials of a three-way choice of white mulberry(red variety; Morus alba L.), Bella honeysuckle (Lonicera x bella), and red-osier dogwood (Cornus stolonifera) fruits. ROBIN E. JUNG, The Auk: 109(1):98-111, 1992 Download […]

Turdus migratorius (American robin) are more alert when solitary than in flocks

American Robin (Turdus migratorius) Science Article 5 abstract This study was undertaken to determine the relationship between foraging andalert behavior and group size in Turdus migratorius (American robin). We expected thatrobins would forage more than be alert in flocks and would be more alert than foragewhen solitary. Emily Sun, unknown Download article download full text […]

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 […]

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