Scarlet Tanager (Piranga olivacea) Science Article 1 abstract Conspicuous coloration of passerines and probably of many other birds is importantin species recognition and sexual behavior (Hamilton, 1961). The signalfunctions of plumages have accompanied the evolution of sexual dimorphism ALAN H. BRUSH, THE CONDOR, 69:549-559, 1967 Download article download full text (pdf)
Category: Passeriformes
The structure of song and its geographical variation in the scarlet tanager (Piranga olivacea)
Scarlet Tanager (Piranga olivacea) Science Article 2 abstract no abstract Shy, Eyal, American Midland Naturalist; Jul1984, Vol. 112 Issue 1, p119, Download article download full text (pdf)
Does tape-luring of migrating eurasian reed-warblers increase number of recruits or capture probability?
Sedge Warbler (Acrocephalus schoenobaenus) Science Article 3 abstract Tape-luring often is used in studies of bird migration, and the technique can strongly augment the total number of birds captured. Additional captures from tape-luring could result from increasing the capture probability of birds already at the stopover site, or from attracting birds that normally would have […]
High Migratory Fuel Loads Impair Predator Evasion in Sedge Warblers
Sedge Warbler (Acrocephalus schoenobaenus) Science Article 6 abstract During migration, many species of birds rely onstored fat for fuel. The extra mass taken on for migrationentails costs (Witter and Cuthill 1993). Timeand energy must be devoted to foraging to build upfat loads, and increased feeding may increase therisk of being attacked by predators. An additionalcost […]
The study of bird migration across the WesternSahara; a contribution with sound luring
Sedge Warbler (Acrocephalus schoenobaenus) Science Article 4 abstract During spring and autumn migration 2003, the Swiss Ornithological Institute set up a concerted project in Mauritania to study bird migration across the Sahara. I participated with a side project using artificial induction of landfall with sound luring in an attempt to overcome the potential problem of […]
How does age and body condition affect migratory restlessness and orientation in Reed Warblers Acrocephalus scirpaceus?
Sedge Warbler (Acrocephalus schoenobaenus) Science Article 2 abstract Orientation cage experiments were performed with 260 Reed Warblers on the southern coast of Spain during autumn 1996, in order to test the hypothesis that birds in good body condition should exhibit a higher amount of migratory restlessness and an activity concentrated more strongly towards one direction […]
SUBSPECIFIC VARIATION IN WINTER POPULATIONS OF SPARROWS: A STUDY IN FIELD TAXONOMY
Savannah Sparrow (Passerculus sandwichensis) Science Article 9 abstract In 1951 an extensive area in Aiken and Barnwell counties, South Carolina, was selected as the site for the Savannah River Plant, whose genesis and general management fall within the province of the United States Atomic Energy Commission and whose construction, maintenance, and operation are due, in […]
Seasonal and diel budgets of song: a study of Savi’s warbler( Locustella luscinioides)
Savis Warbler (Locustella luscinioides) Science Article 1 abstract Seasonal and diel patterns of singing activity of Savi’s warblers (Locustella luscinioides) were studied in two areas of Central Europe 300 km apart, over a period of 18 years. We assessed about 4,600 records of individuals singing. Males were found to exhibit similar singing activity in both […]
THE BEHAVIOR OF SCALE-BACKED ANTBIRDS
Scale-backed Antbird (Hylophylax poecilinotus) Science Article 2 abstract Among birds that regularly capture arthropods flushed by swarms of army ants in South American forests (Willis and Oniki 1978), one of the species lowest in peck orders is the Scale-backed Antbird (Hylophylux poecilinota). Here I report on the specialized behavior patterns that allow it to become […]
NESTING RECORDS OF FIVE ANTBIRD SPECIES FROM THECOLOMBIAN AMAZON
Scale-backed Antbird (Hylophylax poecilinotus) Science Article 1 abstract Few nests of Amazonian antbirds (Thamnophilidae and Formicariidae) have been described.Here we present nesting records for five species of antbirds found in Tinigua National Park, Colombia. A pouchshapedpensile nest of the Warbling Antbird (Hypocnemis cantator) in a treefall gap within seasonally floodedforest contained two eggs colored like […]