AAOOUU ·· CCOOSS ·· SSCCOO 20142014 jointjoint meetingmeeting Estes Park, Colorado · USA 23-28 September 2014 AbstrActabstractAbstract BookBook Ornithologists from around the world ascend to the majestic Rocky Mountains for a meeting like no other. This joint meeting will feature six days of intellectually stimulating workshops, plenary talks, scientific sessions, and field trips that will facilitate the exchange of ideas and strengthen the science of avian biology. Sponsored By The American Ornithologists’ Union, the Cooper Ornithological Society, and the Society of Canadian Ornithologists/Société des Ornithologistes du Canada Co-Chairs Susan K. Skagen and Sara Oyler-McCance U.S. Geological Survey, Fort Collins Science Center www.birdmeetings.org/aoucossco2014 Ornithological Worldwide Literature (O.W.L.) (www.BIRDLIT.ORG) NEEDS YOUR HELP! OWL is a small project of the AOU to provide a FREE, fully indexed, searchable database of citations to the recent ornithological literature on the World Wide Web. In the 21st Century, published scientific information that cannot be found at a l ater date is information lost to science. W e must be able to find all those published papers related to our science and not just from those publications that are currently online. N ow ornithologists around the globe can access this important resource at no cost. Th e database already contains ~80,000 citations, many of which go back >25 years. O ver 1500 serial publications are cited in the database: from art history to meteorology to electrical engineering, besides the more obvious sources in the biological sciences, not just ornithology. There are approximately 350 serials worldwide that are not presently being abstracted for OWL and that are of significant importance to ornithology. If you regularly use the OWL OR have any interest in helping in this important effort, please contact Jay Sheppard for additional information. We can really use your help as a volunteer abstractor for OWL. O ne needs only have access to their selected journals or other serials and to the Internet to help OWL. Even if you are unable to help OWL, please feel free to access and search the database. Search results are downloadable into several formats. Contact Info: Jay Sheppard [email protected] Managing Editor Please feel free to pass this information on to others. ESTES PARK, COLORADO, USA ABSTRACT BOOK Adams, E. M., University of Maine, USA, [email protected] RESOURCE-MEDIATED BEHAVIORAL DYNAMICS AMONG KIN DRIVE Olsen, B. J., University of Maine DISPERSAL IN FIRST-YEAR WESTERN BLUEBIRDS (SIALIA MEXICANA)* EFFECTS OF CHANGING GLOBAL CLIMATE, LOCAL WEATHER, AND Dispersal is a fundamental component of life history and strongly influences HABITAT ON SONGBIRD MIGRATORY PHENOLOGY AND ABUNDANCE population demographics and evolution. However, context-dependency Global climate, local weather, and stopover habitat conditions interact to of dispersal decisions, such as effects of social interactions and resource affect migratory timing and abundance in songbird species. Large-scale availability, are rarely disentangled from intrinsic factors, such as personality climate patterns affect the vital rates of populations during breeding and traits. Here, we examine how interactions between individual personality, wintering, thus changing the abundance of species available for stopover relatedness, and resource availability influence dispersal decisions in Western during migration (the total migratory population size). Whereas, local weather Bluebirds (Sialia mexicana). A long-term dataset on family dynamics and and stopover habitat characteristics influence where and how long birds land behavior was used to determine how distinct combinations of personality and refuel (the daily stopover population size). Using hierarchical N-mixture traits and cavity resources affected dispersal decisions of first-year breeding modeling (“unmarked” in Program R), we quantified the effects of the males. We found that males dispersed non-randomly and settled significantly summer North Atlantic Oscillation (NAO), winter El Niño Southern Oscillation closer to their natal nest than expected by chance. The distance a male (ENSO) and winter Madden-Julian Oscillation (MJO) on fall migratory timing dispersed from his kin was driven by an interaction between father and son and population size for fifteen songbird species on Key Biscayne, FL, while aggressive personalities, such that both aggressive sons and the sons of controlling for changes in daily detection probability, local weather and aggressive fathers dispersed longer distances. Furthermore, the presence of habitat. Overall, we found a negative trend in detection-corrected stopover kin and the availability of cavity resources on the natal territory influenced population size in six of the fifteen species from 2002-2011. Local weather natal dispersal. Sons born on territories with few cavity resources and those and habitat influenced stopover population size of all species. Most species with kin present in their first year of breeding dispersed longer distances. arrived at and departed from the site on favorable tailwinds, though some Resource acquisition and personality type are interdependent in this species showed alternative stopover arrival and departure decisions. Further, species, so these proximate influences on dispersal likely mediate changes we found that a positive NAO advanced migration timing across almost all in population density, behavior, and resource availability across years. Thus, species, and positive phases of the ENSO and MJO were associated with a the frequency of behavioral types in a population can have important, but lower annual migratory population size in most species. Given the predicted previously unappreciated, consequences for population dynamics. (ID 15887) changes in global climate and local South Florida weather over the next century, this analysis suggests that many Caribbean-wintering songbirds will Akresh, M. E., University of Massachusetts Amherst, USA, makresh@eco. be migrating earlier and using Key Biscayne more for stopover in the future. umass.edu Despite these changes, anticipated reductions in tropical rainfall is likely to King, D. I., U.S. Forest Service, Northern Research Station, USA, dking@ decrease total migratory population sizes for many Caribbean migrants and fs.fed.us may lead to stopover population declines overall for many species. (ID 15957) CLIMATE, PLANT LEAFING PHENOLOGY, AND OTHER FACTORS AFFECT NEST-SITE SELECTION AND NEST SURVIVAL OF PRAIRIE Adelman, J. S., Virginia Tech, USA, [email protected] WARBLERS IN A MIXED-OAK SHRUBLAND Moyers, S. C., Virginia Tech, USA, [email protected] Many studies have examined the ways in which birds are adapted to select Hawley, D. M., Virginia Tech, USA, [email protected] nest sites that increase nest survival, yet few studies have empirically taken BEHAVIORAL RISK FACTORS OF MYCOPLASMAL CONJUNCTIVITIS IN into account interactions with plant leafing phenology and climate. We HOUSE FINCHEST examined nest-site selection and nest survival for a conservation-priority Anthropogenic feeding of birds can influence pathogen transmission both by shrubland bird, the prairie warbler (Setophaga discolor), in a managed pitch bringing high densities of birds into close proximity and by providing discrete pine-scrub oak barren in Montague, Massachusetts during 2008-2011. We fomites, or environmental sources of pathogen transmission. Although it found prairie warblers selected more dense vegetation at the preferred nest has been shown experimentally that bird feeders can serve as fomites for heights between 0.5-1.5 m and selected nest sites close to roads and fire Mycoplasma gallisepticum, the causative agent of Mycoplasmal conjunctivitis breaks. Frost tolerant plant species were selected as nest substrates early in in House Finches (Haemorhous mexicanus), the role of feeders in driving the season, as late frosts in the study site delayed oak species leaf-out dates. transmission in free-living House Finch populations has not yet been After oak species leaf-out, there was a predominant switch to using oaks elucidated. We examined behavioral risk factors of disease by asking whether as nest substrate in habitats in which oaks were a major component. Nest time spent on bird feeders, exploratory behavior in a novel environment, or survival rates differed among years, decreased with nest age and distance social network metrics predicted the likelihood of acquiring Mycoplasmal to road or fire break, increased with nest concealment, and in a delayed conjunctivitis for House Finches in Blackburg, Virginia. We found that the leaf-out year, survival rates were lower before leaf-out of the dominant nest amount of time spent on a bird feeder was a strong predictor of the likelihood vegetation. Few variables significantly affected cowbird parasitism rates. of acquiring Mycoplasmal conjunctivitis. The extent of exploration in a novel Overall, we found that nest-site selection was adaptive in the sense that it environment was a strong predictor of social network degree at bird feeders, increased nest survival. Plant phenology influenced nest-site selection and but neither exploration nor network degree predicted the probability of nest survival in this system; its effects on birds should be considered as a acquiring conjunctivitis. Finally, we will discuss results of an ongoing captive potential mechanism by which bird communities can be affected by global experiment testing whether