Bananaquit (Coereba flaveola) Science Article 1 abstract Adult and juvenile Bananaquits (Coerebafi aveola) were captured and banded at nine different sites in southern Grenada in August-October 1976, 1977, and 1978. The proportion of black morphs decreased to seaward on Point Saline.T he morph-ratio cline was steeper for adults than for juveniles, because juveniles move greater […]
Category: Passeriformes
Observation of the Coereba flaveola (Bananaquit) on Springfield Plantation feed habits
Bananaquit (Coereba flaveola) Science Article 3 abstract Coereba flaveola (Bananaquit) feeds predominantly in the morning rather in the lateafternoon. It concentrated mainly on the mangos and the bananas as its main dietaccording to the location site off the back porch of the stream house Celia Montes, Texas A&M University Study Abroad Download article download full […]
Foraging and diet composition of the black-capped foliage-gleaner (philydor atricapillus)
Black-capped Foliage-gleaner (Philydor atricapillus) Science Article 1 abstract Twenty nine samples regurgitated from the dead-leaf specialist Black-capped Foliage-gleaner (Philydor atricapillus) after administration of tartar emetic were examined to assess the diet of the species. Similarly, samples of invertebrate fauna living in suspended dead-leaf clusters were obtained to estimate prey availability for the birds. Diet was […]
A shift in the morph ratio cline in the bananaquit on grenada, west indies
Bananaquit (Coereba flaveola) Science Article 4 abstract The two Bananaquit (Coerebaflaveolu) color morphs and the morph ratio cline on Grenada have been described in detail by Wunderle (198 1 a). The yellow morph is restricted to the dry northeastern and southwestern portions of the island. The melanic, or black morph, occurs throughout the island, but […]
An investigation of territorial behavior in theamerican redstart utilizing recorded songs
American Redstart (Setophaga ruticilla) Science Article 9 abstract The territorial behavior of the American Redstart (Setoph_a rz~ticilla) has been studied by Hickey (1940)) and in greater detail by Ficken (1962). Hickey has described this species as being ‘highly territorial,’ defending an area by song and formalized displays. Ficken has described the territory as being maintained […]
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 […]
Human Impact and the Nesting Success of the American Robin (Turdus migratorius) in Two Riparian Areas of Boulder County
American Robin (Turdus migratorius) Science Article 7 abstract American songbird populations have decreased in the last decade, partly because of factors affecting nesting success. In order to preserve songbird populations, it is important todetermine which factors are playing the most significant roles in nesting success. Humans may adversely affect nesting success simply through their presence, […]
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 […]