Article: Distribution, abundance, and nest-site characteristics of Black Swifts in the Southern Rocky Mountains of Colorado and New Mexico.(Report)

Article: Food, foraging, and timing of breeding of the black swift in California.
Wilson Bulletin;  March 1, 1999 ;     700+ words ...The Black Swift (Cypseloides niger) is...breeding distribution. The Black Swift is found locally in the...what is known about the Black Swift is limited to breeding...usually inaccessible nest sites. Here I present new information...of this species. The Black ...

Article: Veery Nest Sites in a Mid-Atlantic Piedmont Forest: Vegetative Physiognomy and Use of Alien Shrubs
The American Midland Naturalist;  April 1, 2004 ;     700+ words ...ABSTRACT.-Veery (Catharus fuscescens) nest sites were compared to unused sites in a Middle-Atlant...in North American forests is lacking. Nest sites were distributed non-randomly in relation...on south- and east-facing slopes. All nest sites contained alien shrubs, and alien ...

Article: Nest-site reuse in the Western Wood-Pewee.
Wilson Bulletin;  June 1, 1996 ;     700+ words ......promoted by the scarcity of suitable nest sites. Few non-colonial, open-nesting...passerines have been documented reusing nest sites between years. Breeding studies...nesting guild generally report that nest sites are not reused (Hendricks 1991...

Article: Avian habitat selection: pattern from process in nest-site use by ducks?
Ecology;  January 1, 1999 ;     700+ words ......and how, unsuccessful and successful nest sites differ. The process of natural selection...Thus, characteristics of successful nest sites can vary over time and space (Austin...differences between unsuccessful and successful nest sites (and between nonnest and nest ...

Article: Male morphology and nest-site quality in House Sparrows.
Wilson Bulletin;  December 1, 1997 ;     700+ words ...Multiple nest sites on a territory may be beneficial, possibly...Plissner and Gowaty 1995). If multiple nest sites are beneficial, then dominant or high...well as construct open nests. Cavity nest sites are preferred to sites with no cavities...

Article: Some aspects of the breeding biology of the Black Swift.
Wilson Bulletin;  June 1, 1997 ;     700+ words ......about the biology of many swifts. The Black Swift (Cypseloides niger) is found locally...aspects of the breeding biology of the Black Swift. STUDY AREA AND METHODS From 1990 to...1977). TABLE 1 DIMENSIONS AND MASS OF BLACK SWIFT EGGS (N = 50) Feature Mean SD SE Range...

Article: NESTING SUCCESS OF YELLOW-BREASTED CHATS: EFFECTS OF NEST SITE AND TERRITORY VEGETATION STRUCTURE.
Wilson Bulletin;  December 1, 2000 ;     700+ words ......monitored and the characteristics of nest sites and territories determined. Habitats...and variables that differed between nest sites and random locations did not appear to...predators may eliminate predictably safe nest sites for chats on our study area. Chats in...

Article: CONCEPT CD THAT'S STRICTLY FOR THE BIRDS
Evening Standard - London;  May 8, 2001 ;     386 words ......except when breeding. Finding suitable nest sites has become difficult, as many birds return...birds of two to three years old seeking nest sites for next year. It is these birds at which...mean prospecting birds can find suitable nest sites much easier than by cold searching...

Article: CONCEPT CD THAT'S STRICTLY FOR THE BIRDS.
The Evening Standard (London, England);  May 8, 2001 ;     388 words ......except when breeding. Finding suitable nest sites has become difficult, as many birds return...birds of two to three years old seeking nest sites for next year. It is these birds at which...mean prospecting birds can find suitable nest sites much easier than by cold searching. I...

Article: Stop Them Now: Last flight of the hen harrier as killings leave just one pair alive in the east
The Scotsman;  November 15, 2008 ;     629 words ......of prey. However, this year just two nest sites have been occupied and of two pairs alive...the fight." Five years of decline in nest sites occupied Hen harriers in Lothian and...the population is far lower: 2003: Ten nest sites occupied; seven chicks fledged 2004...

Article: Research from University of Lyon in ecology provides new insights.
Ecology, Environment & Conservation;  July 28, 2008 ;     404 words ......observed that seabirds may compete for nest sites. As a consequence, part of the breeders foregoes breeding when nest sites are a limiting resource. Our model...The limitation of the number of nest sites generates a mechanism leading the...

Article: RED-SHOULDERED HAWK NEST SITE SELECTION IN NORTH-CENTRAL MINNESOTA.
Wilson Bulletin;  June 1, 2000 ;     700+ words ......Red-shouldered Hawk (Buteo lineatus) nest sites at two study areas with different topography...characteristics that were consistent pr edictors of nest sites versus random sites for each study area...nests combined. Compared to random sites, nest sites in the Chippewa National Forest ...

Article: Extra nest site occupancy by Tree Swallows: do floaters avoid nest sites near settled pairs?
Wilson Bulletin;  December 1, 1996 ;     700+ words ......often goes unused. Occupancy of extra nest sites (ENSs) is therefore puzzling. In this...results from avoidance by floaters of nest sites near settled pairs. To date, most explanations...explanation is that floaters avoid or reject nest sites too close to already settled pairs. ...

Article: New findings from Zhejiang University in the area of zoology published.(Report)
China Weekly News;  September 30, 2008 ;     379 words ......locations, nest height, and available nest sites at six habitats (mountains, farmlands...habitat, we categorized used and available nest sites as urban (e.g., chimneys, antenna or...on buildings) or natural (e.g., trees) nest sites. We found 147 magpie nests in five of...