Location via proxy:   [ UP ]  
[Report a bug]   [Manage cookies]                
Skip to main content
    • by 
    •   4  
      PhylogenyTree SwallowCliff SwallowsHirundinidae
Despite benefits of using light-sensitive geolocators to track animal movements and describe patterns of migratory connectivity, concerns have been raised about negative effects of these devices, particularly in small species of aerial... more
    • by 
    •   7  
      Avian migrationEnergeticsCorticosteroneAnimal migration
"Determining the distribution of stopover and overwintering areas of migratory animals is essential for understanding population dynamics and building predictive models. Tree Swallows (Tachycineta bicolor) are small songbirds that breed... more
    • by 
    •   3  
      Migration StudiesGeolocationTree Swallow
Variation among species in the onset of incubation has been attributed to differences in life history traits, and variation within species has been related to individual and environmental factors. We quantified within- and among-species... more
    • by 
    •   7  
      Egg ViabilityIncubation behaviorWestern BluebirdTree Swallow
The viability of freshly-laid avian eggs declines after several days of exposure to ambient temperatures above physiological zero, and declines occur faster in tropical than temperate ecosystems. Microbial infection during preincubation... more
    • by  and +2
    •   7  
      Egg ViabilityEnvironmental ConstraintsEgg MicrobesIncubation Onset
The primary objective of this study was to determine whether tree swallows (Tachycineta bicolor) demonstrate similar responses to lake pH and mercury (Hg) contamination in northern Wisconsin as do common loons (Gavia immer). Similar to... more
    • by  and +2
    •   5  
      Trace MetalsMercury PollutionWisconsinTree Swallow
    • by 
    •   6  
      ImmunologyStress physiologyWetland EcologyAlberta Oil Sands
Male tree swallow (Tachycineta bicolor) territory owners and floaters were compared in terms of size and nutritional condition to test the resource holding potential hypothesis. Owners were larger than floaters when compared using six... more
    • by 
    •   5  
      OrnithologyTerritorialityPlumageCondition